{"id":10071,"date":"2017-01-10T14:58:44","date_gmt":"2017-01-10T21:58:44","guid":{"rendered":"http:\/\/sanuja.com\/blog\/?page_id=10071"},"modified":"2017-01-10T14:58:44","modified_gmt":"2017-01-10T21:58:44","slug":"glgy323-final","status":"publish","type":"page","link":"https:\/\/sanuja.com\/blog\/exams\/glgy323-final","title":{"rendered":"Geology 323 Final-University of Calgary"},"content":{"rendered":"<p><a href=\"\/blog\/exams\/\">&larr; Back to Exams and Quizzes<\/a><\/p>\n<p><div class=\"alert alert-info\" role=\"alert\"><p class=\"printonly\"><strong>Notice<\/strong><\/p>If you get a question wrong, <strong>you can still click on the other answers<\/strong>. This will open up <strong>hints and explanations<\/strong> (if available), which will provide additional information.<\/div><br \/>\n<div id=\"mtq_quiz_area-1\" class=\"mtq_quiz_area mtq_color_blue\"> \r\n  <!--Quiz generated using mTouch Quiz Version 3.1.3 by G. Michael Guy (http:\/\/gmichaelguy.com\/quizplugin\/)-->\r\n        \r\n      \r\n  <!-- Shortcode entered mtouchquiz id=1 --> \r\n  <!-- Shortcode interpreted mtouchquiz id=1 alerts=on singlepage=off hints=on startscreen=on finalscreen=on multiplechances=on showanswers=now show_stamps=on randomq=on randoma=on status=on labels=on title=on proofread=off list=on time=off scoring=off formid= vform=on autoadvance=off autosubmit=off inform=off forcecf=off forcegf=off offset=1 questions=112 firstid=50 lastid=1029 color=blue --> \r\n  <!--form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-1\"-->\r\n    <div id=\"mtq_quiztitle-1\" class=\"mtq_quiztitle\" >\r\n  <h2>Geochemistry (GLGY 323-UCAL) Final Exam<\/h2>\r\n  <\/div>\r\n      <noscript>\r\n  <div id=\"mtq_javawarning-1\" class=\"mtq_javawarning\">\r\n  Please wait while the activity loads.<\/br> If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.  <div class=\"mtq_failed_button\" onclick=\"mtq_start_one(1)\">\r\n  If loading fails, click here to try again  <\/div><\/div>\r\n  <\/noscript>\r\n    <div id=\"mtq_instructions-1\" class=\"mtq_instructions\"><font color=\"#ff0000\"><b>Welcome to the Geochemistry Quiz. Some questions have hints and explanations. Click <font color=\"#3300ff\">Start<\/font> to begin.<\/b><\/font><\/div> <div id=\"mtq_start_button-1\" class='mtq_action_button mtq_css_button mtq_start_button' onclick='mtq_start_quiz(1)'> <div class=\"mtq_start_text\">\r\n  Start  <\/div> <\/div>\r\n  <div id=\"mtq_quiz_results_bubble-1\" class=\"mtq_quiz_results_bubble\"> <div id=\"mtq_quiz_results-1\" class=\"mtq_quiz_results\"><p>Congratulations - you have completed <em>Geochemistry (GLGY 323-UCAL) Final Exam<\/em>.<\/p><p>You scored %%SCORE%% out of %%TOTAL%%. With incorrect multiple attempts your score is %%PERCENTAGE%%<\/p> <p>Your performance has been rated as %%RATING%%<\/p> <br>    \r\n  <\/div> <div id=\"mtq_quiz_results_highlight-1\" class=\"mtq_quiz_results_highlight\">\r\n  Your answers are highlighted below.  <\/div> <\/div>\r\n    \r\n  <!-- root element for mtqscrollable -->\r\n\r\n  <div id=\"mtq_question_container-1\" style='display:none'>\r\n  <div class='mtqscrollable' id='mtq_scroll_container-1'>\r\n        <!-- root element for the items -->\r\n    \r\n    <div id=\"mtq_scroll_items_container-1\" class=\"items\">\r\n            <div class='mtq_question mtq_scroll_item-1' id='mtq_question-1-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 1<\/div><div id='mtq_stamp-1-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-1-1' class='mtq_question_text'>Stable isotope ratios are reported relative to a standard known as delta(&delta;). If a calculation has a positive (+) delta value(parts per thousands-<sup>0<\/sup>\/<sub>00<\/sub>), then the...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-1-1-1' onclick='mtq_button_click(1,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-1-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 1, Choice 1'>A<\/div><div id='mtq_marker-1-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-1-1-1' class='mtq_answer_text'>heavy isotope is enriched in the sample relative to the standard.<\/div><\/td><\/tr><tr id='mtq_row-1-2-1' onclick='mtq_button_click(1,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-1-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 1, Choice 2'>B<\/div><div id='mtq_marker-1-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-1-2-1' class='mtq_answer_text'>light isotope is enriched in the sample relative to the standard.<\/div><\/td><\/tr><tr id='mtq_row-1-3-1' onclick='mtq_button_click(1,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-1-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 1, Choice 3'>C<\/div><div id='mtq_marker-1-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-1-3-1' class='mtq_answer_text'>heavy isotope is depleted in the sample relative to the standard.<\/div><\/td><\/tr><tr id='mtq_row-1-4-1' onclick='mtq_button_click(1,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-1-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 1, Choice 4'>D<\/div><div id='mtq_marker-1-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-1-4-1' class='mtq_answer_text'>heavy isotope is enriched in the standard relative to the sample.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-2-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 2<\/div><div id='mtq_stamp-2-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-2-1' class='mtq_question_text'>Meteorites originated from a parent body that has a core classified as...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-2-1-1' onclick='mtq_button_click(2,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-2-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 2, Choice 1'>A<\/div><div id='mtq_marker-2-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-2-1-1' class='mtq_answer_text'>undifferentiated meteorites<\/div><\/td><\/tr><tr id='mtq_row-2-2-1' onclick='mtq_button_click(2,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-2-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 2, Choice 2'>B<\/div><div id='mtq_marker-2-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-2-2-1' class='mtq_answer_text'>differentiated meteorites<\/div><\/td><\/tr><tr id='mtq_row-2-3-1' onclick='mtq_button_click(2,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-2-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 2, Choice 3'>C<\/div><div id='mtq_marker-2-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-2-3-1' class='mtq_answer_text'>core meteorites<\/div><\/td><\/tr><tr id='mtq_row-2-4-1' onclick='mtq_button_click(2,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-2-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 2, Choice 4'>D<\/div><div id='mtq_marker-2-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-2-4-1' class='mtq_answer_text'>chondrites<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-3-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 3<\/div><div id='mtq_stamp-3-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-3-1' class='mtq_question_text'>Geochronology is....<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-3-1-1' onclick='mtq_button_click(3,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-3-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 3, Choice 1'>A<\/div><div id='mtq_marker-3-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-3-1-1' class='mtq_answer_text'>relative measurement of geologic that has depends on variation in analytical techniques<\/div><\/td><\/tr><tr id='mtq_row-3-2-1' onclick='mtq_button_click(3,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-3-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 3, Choice 2'>B<\/div><div id='mtq_marker-3-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-3-2-1' class='mtq_answer_text'>absolute measurement of geologic time that depends on variation in analytical techniques<\/div><\/td><\/tr><tr id='mtq_row-3-3-1' onclick='mtq_button_click(3,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-3-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 3, Choice 3'>C<\/div><div id='mtq_marker-3-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-3-3-1' class='mtq_answer_text'>absolute measurement of geologic time that has no dependency on variation in analytical techniques<\/div><\/td><\/tr><tr id='mtq_row-3-4-1' onclick='mtq_button_click(3,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-3-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 3, Choice 4'>D<\/div><div id='mtq_marker-3-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-3-4-1' class='mtq_answer_text'>relative measurement of geologic that has no dependency on variation in analytical techniques<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-4-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 4<\/div><div id='mtq_stamp-4-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-4-1' class='mtq_question_text'>In general, isotopic fractionation in heavier elements are ___, lighter elements.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-4-1-1' onclick='mtq_button_click(4,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-4-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 4, Choice 1'>A<\/div><div id='mtq_marker-4-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-4-1-1' class='mtq_answer_text'>less than<\/div><\/td><\/tr><tr id='mtq_row-4-2-1' onclick='mtq_button_click(4,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-4-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 4, Choice 2'>B<\/div><div id='mtq_marker-4-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-4-2-1' class='mtq_answer_text'>not enough information is provided<\/div><\/td><\/tr><tr id='mtq_row-4-3-1' onclick='mtq_button_click(4,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-4-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 4, Choice 3'>C<\/div><div id='mtq_marker-4-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-4-3-1' class='mtq_answer_text'>more than<\/div><\/td><\/tr><tr id='mtq_row-4-4-1' onclick='mtq_button_click(4,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-4-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 4, Choice 4'>D<\/div><div id='mtq_marker-4-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-4-4-1' class='mtq_answer_text'>same as<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-4-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 4 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> The mass difference between the isotopes in heavier elements are much smaller than the mass differences in isotopes of lighter elements. Hence, less fractionation.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-5-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 5<\/div><div id='mtq_stamp-5-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-5-1' class='mtq_question_text'>Cosmogenic radionuclides are produced by...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-5-1-1' onclick='mtq_button_click(5,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-5-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 5, Choice 1'>A<\/div><div id='mtq_marker-5-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-5-1-1' class='mtq_answer_text'>nuclear interaction between cosmic rays and atoms in the outer space.<\/div><\/td><\/tr><tr id='mtq_row-5-2-1' onclick='mtq_button_click(5,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-5-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 5, Choice 2'>B<\/div><div id='mtq_marker-5-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-5-2-1' class='mtq_answer_text'>nuclear interaction between cosmic rays and atoms in the atmosphere and crust.<\/div><\/td><\/tr><tr id='mtq_row-5-3-1' onclick='mtq_button_click(5,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-5-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 5, Choice 3'>C<\/div><div id='mtq_marker-5-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-5-3-1' class='mtq_answer_text'>nuclear interaction between cosmic rays and in the atmosphere only.<\/div><\/td><\/tr><tr id='mtq_row-5-4-1' onclick='mtq_button_click(5,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-5-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 5, Choice 4'>D<\/div><div id='mtq_marker-5-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-5-4-1' class='mtq_answer_text'>nuclear interaction between atoms in the Sun.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-5-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 5 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> N to C  <sup>14<\/sup>C\/<sup>12<\/sup>C is an example of this....<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-6-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 6<\/div><div id='mtq_stamp-6-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-6-1' class='mtq_question_text'>Stony meteorites in Chondrites are...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-6-1-1' onclick='mtq_button_click(6,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-6-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 6, Choice 1'>A<\/div><div id='mtq_marker-6-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-6-1-1' class='mtq_answer_text'>composed of stones with some metallic components and most primitive material in the solar system.<\/div><\/td><\/tr><tr id='mtq_row-6-2-1' onclick='mtq_button_click(6,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-6-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 6, Choice 2'>B<\/div><div id='mtq_marker-6-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-6-2-1' class='mtq_answer_text'>composed of iron minerals with some metallic components and most primitive material in the solar system.<\/div><\/td><\/tr><tr id='mtq_row-6-3-1' onclick='mtq_button_click(6,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-6-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 6, Choice 3'>C<\/div><div id='mtq_marker-6-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-6-3-1' class='mtq_answer_text'>composed of silicate minerals with some metallic components and most primitive material in the solar system.<\/div><\/td><\/tr><tr id='mtq_row-6-4-1' onclick='mtq_button_click(6,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-6-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 6, Choice 4'>D<\/div><div id='mtq_marker-6-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-6-4-1' class='mtq_answer_text'>composed of silicate minerals with some metallic components and most primitive material in the solar system.<\/div><\/td><\/tr><tr id='mtq_row-6-5-1' onclick='mtq_button_click(6,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-6-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 6, Choice 5'>E<\/div><div id='mtq_marker-6-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-6-5-1' class='mtq_answer_text'>composed of stones embedded as a result of meteorite hitting the Earth.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-7-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 7<\/div><div id='mtq_stamp-7-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-7-1' class='mtq_question_text'>The relative mass difference between <sup>16<\/sup>O and <sup>17<\/sup> is,<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-7-1-1' onclick='mtq_button_click(7,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-7-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 7, Choice 1'>A<\/div><div id='mtq_marker-7-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-7-1-1' class='mtq_answer_text'>12.6%<\/div><\/td><\/tr><tr id='mtq_row-7-2-1' onclick='mtq_button_click(7,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-7-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 7, Choice 2'>B<\/div><div id='mtq_marker-7-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-7-2-1' class='mtq_answer_text'>6.25%<\/div><div id='mtq_hint-7-2-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>[(17-16)\/16]*100=6.25%<\/div><\/div><\/td><\/tr><tr id='mtq_row-7-3-1' onclick='mtq_button_click(7,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-7-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 7, Choice 3'>C<\/div><div id='mtq_marker-7-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-7-3-1' class='mtq_answer_text'>5.25%<\/div><\/td><\/tr><tr id='mtq_row-7-4-1' onclick='mtq_button_click(7,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-7-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 7, Choice 4'>D<\/div><div id='mtq_marker-7-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-7-4-1' class='mtq_answer_text'>5.6%<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-8-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 8<\/div><div id='mtq_stamp-8-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-8-1' class='mtq_question_text'>If the change in Gibbs Free Energy(delta G) is negative...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-8-1-1' onclick='mtq_button_click(8,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-8-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 8, Choice 1'>A<\/div><div id='mtq_marker-8-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-8-1-1' class='mtq_answer_text'>the reaction is product favored and it is non-spontaneous.<\/div><\/td><\/tr><tr id='mtq_row-8-2-1' onclick='mtq_button_click(8,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-8-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 8, Choice 2'>B<\/div><div id='mtq_marker-8-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-8-2-1' class='mtq_answer_text'>the reaction is reactant favored and it is non-spontaneous.<\/div><\/td><\/tr><tr id='mtq_row-8-3-1' onclick='mtq_button_click(8,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-8-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 8, Choice 3'>C<\/div><div id='mtq_marker-8-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-8-3-1' class='mtq_answer_text'>the reaction is reactant favored and it is spontaneous.<\/div><\/td><\/tr><tr id='mtq_row-8-4-1' onclick='mtq_button_click(8,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-8-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 8, Choice 4'>D<\/div><div id='mtq_marker-8-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-8-4-1' class='mtq_answer_text'>the reaction is product favored and it is spontaneous.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-9-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 9<\/div><div id='mtq_stamp-9-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-9-1' class='mtq_question_text'>What is the life of a typical isotopic system?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-9-1-1' onclick='mtq_button_click(9,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-9-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 9, Choice 1'>A<\/div><div id='mtq_marker-9-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-9-1-1' class='mtq_answer_text'>About 8 half-lives.<\/div><\/td><\/tr><tr id='mtq_row-9-2-1' onclick='mtq_button_click(9,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-9-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 9, Choice 2'>B<\/div><div id='mtq_marker-9-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-9-2-1' class='mtq_answer_text'>About 6 half-lives.<\/div><div id='mtq_hint-9-2-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>At about 6 half-lives, it is hard to measure the decay rate, but still can be done with new technologies<\/div><\/div><\/td><\/tr><tr id='mtq_row-9-3-1' onclick='mtq_button_click(9,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-9-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 9, Choice 3'>C<\/div><div id='mtq_marker-9-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-9-3-1' class='mtq_answer_text'>About 2 half-lives.<\/div><\/td><\/tr><tr id='mtq_row-9-4-1' onclick='mtq_button_click(9,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-9-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 9, Choice 4'>D<\/div><div id='mtq_marker-9-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-9-4-1' class='mtq_answer_text'>About 4 half-lives.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-9-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 9 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> At about 6 half-lives, it is hard to measure the decay rate, but still can be done with new technologies<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-10-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 10<\/div><div id='mtq_stamp-10-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-10-1' class='mtq_question_text'>What is assimilation?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-10-1-1' onclick='mtq_button_click(10,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-10-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 10, Choice 1'>A<\/div><div id='mtq_marker-10-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-10-1-1' class='mtq_answer_text'>It is the process which country rocks interact with the magma during transport causing addition of materials to the magma.<\/div><\/td><\/tr><tr id='mtq_row-10-2-1' onclick='mtq_button_click(10,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-10-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 10, Choice 2'>B<\/div><div id='mtq_marker-10-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-10-2-1' class='mtq_answer_text'>It is the process which country rocks interact with the magma during transport causing removal of materials from the magma.<\/div><\/td><\/tr><tr id='mtq_row-10-3-1' onclick='mtq_button_click(10,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-10-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 10, Choice 3'>C<\/div><div id='mtq_marker-10-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-10-3-1' class='mtq_answer_text'>It is the process which the minerals were separated from the magma as a result of fractional crystallization.<\/div><\/td><\/tr><tr id='mtq_row-10-4-1' onclick='mtq_button_click(10,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-10-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 10, Choice 4'>D<\/div><div id='mtq_marker-10-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-10-4-1' class='mtq_answer_text'>It is the process which the minerals were added to  the magma as a result of melting.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-11-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 11<\/div><div id='mtq_stamp-11-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-11-1' class='mtq_question_text'>What is Faraday Constant?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-11-1-1' onclick='mtq_button_click(11,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-11-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 11, Choice 1'>A<\/div><div id='mtq_marker-11-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-11-1-1' class='mtq_answer_text'>Number of electrons and protons exchanged during a reaction involving a a potential difference of 0 volts<\/div><\/td><\/tr><tr id='mtq_row-11-2-1' onclick='mtq_button_click(11,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-11-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 11, Choice 2'>B<\/div><div id='mtq_marker-11-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-11-2-1' class='mtq_answer_text'>Number of electrons and protons exchanged during a reaction involving a a potential difference of 1 volts<\/div><\/td><\/tr><tr id='mtq_row-11-3-1' onclick='mtq_button_click(11,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-11-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 11, Choice 3'>C<\/div><div id='mtq_marker-11-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-11-3-1' class='mtq_answer_text'>Voltage generated by moving 1 mole of electrons trough a potential difference of 0 volts<\/div><\/td><\/tr><tr id='mtq_row-11-4-1' onclick='mtq_button_click(11,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-11-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 11, Choice 4'>D<\/div><div id='mtq_marker-11-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-11-4-1' class='mtq_answer_text'>Voltage generated by moving 1 mole of electrons trough a potential difference of 1 volts<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-12-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 12<\/div><div id='mtq_stamp-12-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-12-1' class='mtq_question_text'>In P-T diagrams, slope of a line involving solids are__A___ because__B__. <\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-12-1-1' onclick='mtq_button_click(12,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-12-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 12, Choice 1'>A<\/div><div id='mtq_marker-12-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-12-1-1' class='mtq_answer_text'>A. straight lines<br>\r\nB. delta S and delta V greatly varies.<\/div><\/td><\/tr><tr id='mtq_row-12-2-1' onclick='mtq_button_click(12,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-12-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 12, Choice 2'>B<\/div><div id='mtq_marker-12-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-12-2-1' class='mtq_answer_text'>A. curvy lines<br>\r\nB. delta S and delta V are nearly constant.<\/div><\/td><\/tr><tr id='mtq_row-12-3-1' onclick='mtq_button_click(12,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-12-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 12, Choice 3'>C<\/div><div id='mtq_marker-12-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-12-3-1' class='mtq_answer_text'>A. straight lines<br>\r\nB. delta S and delta V are nearly constant.<\/div><\/td><\/tr><tr id='mtq_row-12-4-1' onclick='mtq_button_click(12,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-12-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 12, Choice 4'>D<\/div><div id='mtq_marker-12-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-12-4-1' class='mtq_answer_text'>A. curvy lines<br>\r\nB. delta S and delta V greatly varies.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-13-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 13<\/div><div id='mtq_stamp-13-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-13-1' class='mtq_question_text'>Assumptions made in radiogenic isotopic geochronology... (more than one answer)<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-13-1-1' onclick='mtq_button_click(13,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-13-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 13, Choice 1'>A<\/div><div id='mtq_marker-13-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-13-1-1' class='mtq_answer_text'>The system is an open system allowing parent isotopes to move into the mineral\/rock.<\/div><\/td><\/tr><tr id='mtq_row-13-2-1' onclick='mtq_button_click(13,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-13-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 13, Choice 2'>B<\/div><div id='mtq_marker-13-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-13-2-1' class='mtq_answer_text'>Only parent isotopes are present in the system at the start of the isotopic decay.<\/div><\/td><\/tr><tr id='mtq_row-13-3-1' onclick='mtq_button_click(13,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-13-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 13, Choice 3'>C<\/div><div id='mtq_marker-13-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-13-3-1' class='mtq_answer_text'>The ratio of parent and daughter isotopes have been changed due to decay of parent isotope to daughter isotope.<\/div><\/td><\/tr><tr id='mtq_row-13-4-1' onclick='mtq_button_click(13,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-13-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 13, Choice 4'>D<\/div><div id='mtq_marker-13-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-13-4-1' class='mtq_answer_text'>The decay constant is known accurately and the analytical data are accurate.<\/div><\/td><\/tr><tr id='mtq_row-13-5-1' onclick='mtq_button_click(13,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-13-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 13, Choice 5'>E<\/div><div id='mtq_marker-13-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-13-5-1' class='mtq_answer_text'>The system is a closed system allowing only the parent isotopes to move into the mineral\/rock.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-13-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 13 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> In addition, the isotopic system should remain active at the time of the measurement. The experimental data are useless, if all of the three points are not being met.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-14-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 14<\/div><div id='mtq_stamp-14-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-14-1' class='mtq_question_text'>What can you say about this: 2Fe + 3 Cl<sub>2<\/sub> --> 2Fe<sup>3+<\/sup> + 6Cl<sup>-<\/sup><\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-14-1-1' onclick='mtq_button_click(14,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-14-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 14, Choice 1'>A<\/div><div id='mtq_marker-14-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-14-1-1' class='mtq_answer_text'>Fe is the reducing agent and Fe is forcing Cl to be reduced.<\/div><\/td><\/tr><tr id='mtq_row-14-2-1' onclick='mtq_button_click(14,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-14-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 14, Choice 2'>B<\/div><div id='mtq_marker-14-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-14-2-1' class='mtq_answer_text'>Cl is the reducing agent and Cl is forcing Fe to be reduced.<\/div><\/td><\/tr><tr id='mtq_row-14-3-1' onclick='mtq_button_click(14,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-14-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 14, Choice 3'>C<\/div><div id='mtq_marker-14-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-14-3-1' class='mtq_answer_text'>Fe is the reducing agent and Cl is forcing Fe to be reduced.<\/div><\/td><\/tr><tr id='mtq_row-14-4-1' onclick='mtq_button_click(14,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-14-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 14, Choice 4'>D<\/div><div id='mtq_marker-14-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-14-4-1' class='mtq_answer_text'>Cl is the reducing agent and Fe is forcing Cl to be reduced.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-15-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 15<\/div><div id='mtq_stamp-15-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-15-1' class='mtq_question_text'>During melting of magmas solidus is__A__, and the liquidus is__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-15-1-1' onclick='mtq_button_click(15,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-15-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 15, Choice 1'>A<\/div><div id='mtq_marker-15-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-15-1-1' class='mtq_answer_text'>A. no idea<br>\r\nB. no idea.<\/div><\/td><\/tr><tr id='mtq_row-15-2-1' onclick='mtq_button_click(15,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-15-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 15, Choice 2'>B<\/div><div id='mtq_marker-15-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-15-2-1' class='mtq_answer_text'>A. temperature above which melting begins<br>\r\nB. temperature above which the rock is completely melted.<\/div><\/td><\/tr><tr id='mtq_row-15-3-1' onclick='mtq_button_click(15,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-15-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 15, Choice 3'>C<\/div><div id='mtq_marker-15-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-15-3-1' class='mtq_answer_text'>A. temperature above which the rock's composition completely change<br>\r\nB. temperature above which the mineral's chemical composition completely change.<\/div><\/td><\/tr><tr id='mtq_row-15-4-1' onclick='mtq_button_click(15,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-15-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 15, Choice 4'>D<\/div><div id='mtq_marker-15-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-15-4-1' class='mtq_answer_text'>A. temperature above which the rock is completely melted<br>\r\nB. temperature which melting begins.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-15-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 15 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> During the crystallization of magmas, the liquidus is the temperature which below the first liquid is formed and solidus is the temperate below which the solids form.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-16-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 16<\/div><div id='mtq_stamp-16-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-16-1' class='mtq_question_text'>As a collapse of interstellar cloud;<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-16-1-1' onclick='mtq_button_click(16,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-16-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 16, Choice 1'>A<\/div><div id='mtq_marker-16-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-16-1-1' class='mtq_answer_text'>planets were formed.<\/div><\/td><\/tr><tr id='mtq_row-16-2-1' onclick='mtq_button_click(16,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-16-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 16, Choice 2'>B<\/div><div id='mtq_marker-16-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-16-2-1' class='mtq_answer_text'>rocks were formed.<\/div><\/td><\/tr><tr id='mtq_row-16-3-1' onclick='mtq_button_click(16,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-16-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 16, Choice 3'>C<\/div><div id='mtq_marker-16-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-16-3-1' class='mtq_answer_text'>stars were formed.<\/div><\/td><\/tr><tr id='mtq_row-16-4-1' onclick='mtq_button_click(16,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-16-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 16, Choice 4'>D<\/div><div id='mtq_marker-16-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-16-4-1' class='mtq_answer_text'>minerals were formed.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-17-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 17<\/div><div id='mtq_stamp-17-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-17-1' class='mtq_question_text'>If the delta Q of a system is positive(+), then...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-17-1-1' onclick='mtq_button_click(17,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-17-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 17, Choice 1'>A<\/div><div id='mtq_marker-17-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-17-1-1' class='mtq_answer_text'>the heat is added to the system.<\/div><\/td><\/tr><tr id='mtq_row-17-2-1' onclick='mtq_button_click(17,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-17-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 17, Choice 2'>B<\/div><div id='mtq_marker-17-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-17-2-1' class='mtq_answer_text'>atoms are added to the system.<\/div><\/td><\/tr><tr id='mtq_row-17-3-1' onclick='mtq_button_click(17,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-17-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 17, Choice 3'>C<\/div><div id='mtq_marker-17-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-17-3-1' class='mtq_answer_text'>the heat is removed from the system.<\/div><\/td><\/tr><tr id='mtq_row-17-4-1' onclick='mtq_button_click(17,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-17-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 17, Choice 4'>D<\/div><div id='mtq_marker-17-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-17-4-1' class='mtq_answer_text'>work is done by the system.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-18-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 18<\/div><div id='mtq_stamp-18-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-18-1' class='mtq_question_text'>In stable isotope geochemistry, standard used for hydrogen is__A__ and standard used for carbon is__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-18-1-1' onclick='mtq_button_click(18,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-18-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 18, Choice 1'>A<\/div><div id='mtq_marker-18-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-18-1-1' class='mtq_answer_text'>A. Peedee formation belemnite(PDB)<br>\r\nB. Standard Mean Ocean Water(SMOW)<\/div><\/td><\/tr><tr id='mtq_row-18-2-1' onclick='mtq_button_click(18,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-18-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 18, Choice 2'>B<\/div><div id='mtq_marker-18-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-18-2-1' class='mtq_answer_text'>A. Standard Mean Ocean Water(SMOW)<br>\r\nB. Peedee formation belemnite(PDB)<\/div><\/td><\/tr><tr id='mtq_row-18-3-1' onclick='mtq_button_click(18,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-18-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 18, Choice 3'>C<\/div><div id='mtq_marker-18-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-18-3-1' class='mtq_answer_text'>A. Standard Mean Ocean Water(SMOW)\r\nB. Standard Mean Ocean Water(SMOW)<\/div><\/td><\/tr><tr id='mtq_row-18-4-1' onclick='mtq_button_click(18,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-18-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 18, Choice 4'>D<\/div><div id='mtq_marker-18-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-18-4-1' class='mtq_answer_text'>A. Standard Mean Ocean Water(SMOW)\r\nB. Canyon Diablo Troilite<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-19-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 19<\/div><div id='mtq_stamp-19-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-19-1' class='mtq_question_text'>As the temperature__A__, the factionation of isotopes__B__ (between vapor and liquid).<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-19-1-1' onclick='mtq_button_click(19,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-19-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 19, Choice 1'>A<\/div><div id='mtq_marker-19-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-19-1-1' class='mtq_answer_text'>A. increase<br>\r\nB. decrease<\/div><\/td><\/tr><tr id='mtq_row-19-2-1' onclick='mtq_button_click(19,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-19-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 19, Choice 2'>B<\/div><div id='mtq_marker-19-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-19-2-1' class='mtq_answer_text'>A. decrease<br>\r\nB. increase<\/div><\/td><\/tr><tr id='mtq_row-19-3-1' onclick='mtq_button_click(19,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-19-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 19, Choice 3'>C<\/div><div id='mtq_marker-19-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-19-3-1' class='mtq_answer_text'>A. decrease<br>\r\nB. decrease<\/div><\/td><\/tr><tr id='mtq_row-19-4-1' onclick='mtq_button_click(19,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-19-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 19, Choice 4'>D<\/div><div id='mtq_marker-19-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-19-4-1' class='mtq_answer_text'>A. increase<br>\r\nB. increase<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-20-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 20<\/div><div id='mtq_stamp-20-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-20-1' class='mtq_question_text'>The Global Meteoric Water Line depend on the....<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-20-1-1' onclick='mtq_button_click(20,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-20-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 20, Choice 1'>A<\/div><div id='mtq_marker-20-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-20-1-1' class='mtq_answer_text'>latitude<\/div><\/td><\/tr><tr id='mtq_row-20-2-1' onclick='mtq_button_click(20,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-20-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 20, Choice 2'>B<\/div><div id='mtq_marker-20-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-20-2-1' class='mtq_answer_text'>individual rainfall event<\/div><\/td><\/tr><tr id='mtq_row-20-3-1' onclick='mtq_button_click(20,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-20-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 20, Choice 3'>C<\/div><div id='mtq_marker-20-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-20-3-1' class='mtq_answer_text'>number of seasons<\/div><\/td><\/tr><tr id='mtq_row-20-4-1' onclick='mtq_button_click(20,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-20-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 20, Choice 4'>D<\/div><div id='mtq_marker-20-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-20-4-1' class='mtq_answer_text'>altitude<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-21-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 21<\/div><div id='mtq_stamp-21-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-21-1' class='mtq_question_text'>In Big Bang Theory, what is singularity?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-21-1-1' onclick='mtq_button_click(21,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-21-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 21, Choice 1'>A<\/div><div id='mtq_marker-21-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-21-1-1' class='mtq_answer_text'>Before the cataclysmic explosion, the universe was concentrated at a single point known as singularity.<\/div><div id='mtq_hint-21-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>Big Bang Nucleosynthesis also known as Primordial Nucleosynthesis or Cosmological Nucleosynthesis<\/div><\/div><\/td><\/tr><tr id='mtq_row-21-2-1' onclick='mtq_button_click(21,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-21-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 21, Choice 2'>B<\/div><div id='mtq_marker-21-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-21-2-1' class='mtq_answer_text'>Elements are concentrated in a single point known as singularity.<\/div><\/td><\/tr><tr id='mtq_row-21-3-1' onclick='mtq_button_click(21,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-21-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 21, Choice 3'>C<\/div><div id='mtq_marker-21-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-21-3-1' class='mtq_answer_text'>Big Bang? What?<\/div><\/td><\/tr><tr id='mtq_row-21-4-1' onclick='mtq_button_click(21,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-21-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 21, Choice 4'>D<\/div><div id='mtq_marker-21-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-21-4-1' class='mtq_answer_text'>After the cataclysmic explosion, the universe was concentrated at a single point known as singularity.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-22-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 22<\/div><div id='mtq_stamp-22-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-22-1' class='mtq_question_text'>Meteorites which are alien materials comes from the Asteroid Belt always have this element in high concentrations.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-22-1-1' onclick='mtq_button_click(22,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-22-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 22, Choice 1'>A<\/div><div id='mtq_marker-22-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-22-1-1' class='mtq_answer_text'>O<\/div><\/td><\/tr><tr id='mtq_row-22-2-1' onclick='mtq_button_click(22,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-22-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 22, Choice 2'>B<\/div><div id='mtq_marker-22-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-22-2-1' class='mtq_answer_text'>Ni<\/div><\/td><\/tr><tr id='mtq_row-22-3-1' onclick='mtq_button_click(22,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-22-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 22, Choice 3'>C<\/div><div id='mtq_marker-22-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-22-3-1' class='mtq_answer_text'>Fe<\/div><\/td><\/tr><tr id='mtq_row-22-4-1' onclick='mtq_button_click(22,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-22-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 22, Choice 4'>D<\/div><div id='mtq_marker-22-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-22-4-1' class='mtq_answer_text'>C<\/div><\/td><\/tr><tr id='mtq_row-22-5-1' onclick='mtq_button_click(22,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-22-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 22, Choice 5'>E<\/div><div id='mtq_marker-22-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-22-5-1' class='mtq_answer_text'>He<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-23-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 23<\/div><div id='mtq_stamp-23-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-23-1' class='mtq_question_text'>Which is the right way to report the stable isotopic ratio of <sup>18<\/sup>O?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-23-1-1' onclick='mtq_button_click(23,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-23-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 23, Choice 1'>A<\/div><div id='mtq_marker-23-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-23-1-1' class='mtq_answer_text'><sup>18<\/sup>O\/<sup>18<\/sup>O<\/div><\/td><\/tr><tr id='mtq_row-23-2-1' onclick='mtq_button_click(23,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-23-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 23, Choice 2'>B<\/div><div id='mtq_marker-23-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-23-2-1' class='mtq_answer_text'><sup>17<\/sup>O\/<sup>18<\/sup>O<\/div><\/td><\/tr><tr id='mtq_row-23-3-1' onclick='mtq_button_click(23,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-23-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 23, Choice 3'>C<\/div><div id='mtq_marker-23-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-23-3-1' class='mtq_answer_text'><sup>16<\/sup>O\/<sup>18<\/sup>O<\/div><\/td><\/tr><tr id='mtq_row-23-4-1' onclick='mtq_button_click(23,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-23-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 23, Choice 4'>D<\/div><div id='mtq_marker-23-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-23-4-1' class='mtq_answer_text'><sup>18<\/sup>O\/\/<sup>17<\/sup>O<\/div><\/td><\/tr><tr id='mtq_row-23-5-1' onclick='mtq_button_click(23,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-23-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 23, Choice 5'>E<\/div><div id='mtq_marker-23-5-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-23-5-1' class='mtq_answer_text'><sup>18<\/sup>O\/<sup>16<\/sup>O<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-23-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 23 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> always report the ratio of heavy isotope to the most abundant light isotope.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-24-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 24<\/div><div id='mtq_stamp-24-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-24-1' class='mtq_question_text'>Why does fractionation of isotopes occur in nature?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-24-1-1' onclick='mtq_button_click(24,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-24-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 24, Choice 1'>A<\/div><div id='mtq_marker-24-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-24-1-1' class='mtq_answer_text'>Fractionation of isotopes do not occur in nature.<\/div><\/td><\/tr><tr id='mtq_row-24-2-1' onclick='mtq_button_click(24,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-24-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 24, Choice 2'>B<\/div><div id='mtq_marker-24-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-24-2-1' class='mtq_answer_text'>Caused by the difference in  charge and mass between isotopes.<\/div><\/td><\/tr><tr id='mtq_row-24-3-1' onclick='mtq_button_click(24,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-24-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 24, Choice 3'>C<\/div><div id='mtq_marker-24-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-24-3-1' class='mtq_answer_text'>Caused by the difference in mass between isotopes.<\/div><\/td><\/tr><tr id='mtq_row-24-4-1' onclick='mtq_button_click(24,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-24-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 24, Choice 4'>D<\/div><div id='mtq_marker-24-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-24-4-1' class='mtq_answer_text'>Caused by the difference in electron configuration between isotopes.<\/div><\/td><\/tr><tr id='mtq_row-24-5-1' onclick='mtq_button_click(24,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-24-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 24, Choice 5'>E<\/div><div id='mtq_marker-24-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-24-5-1' class='mtq_answer_text'>Caused by the difference in  charge between isotopes.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-25-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 25<\/div><div id='mtq_stamp-25-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-25-1' class='mtq_question_text'>Undifferentiated meteorites are composed of...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-25-1-1' onclick='mtq_button_click(25,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-25-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 25, Choice 1'>A<\/div><div id='mtq_marker-25-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-25-1-1' class='mtq_answer_text'>Irons<\/div><\/td><\/tr><tr id='mtq_row-25-2-1' onclick='mtq_button_click(25,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-25-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 25, Choice 2'>B<\/div><div id='mtq_marker-25-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-25-2-1' class='mtq_answer_text'>Chondrites<\/div><\/td><\/tr><tr id='mtq_row-25-3-1' onclick='mtq_button_click(25,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-25-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 25, Choice 3'>C<\/div><div id='mtq_marker-25-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-25-3-1' class='mtq_answer_text'>Achondrites<\/div><\/td><\/tr><tr id='mtq_row-25-4-1' onclick='mtq_button_click(25,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-25-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 25, Choice 4'>D<\/div><div id='mtq_marker-25-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-25-4-1' class='mtq_answer_text'>Igneous meteorites<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-26-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 26<\/div><div id='mtq_stamp-26-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-26-1' class='mtq_question_text'>Decompression melting occurs at...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-26-1-1' onclick='mtq_button_click(26,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-26-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 26, Choice 1'>A<\/div><div id='mtq_marker-26-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-26-1-1' class='mtq_answer_text'>spreading centers and produce basaltic rocks that forms the oceanic crust<\/div><\/td><\/tr><tr id='mtq_row-26-2-1' onclick='mtq_button_click(26,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-26-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 26, Choice 2'>B<\/div><div id='mtq_marker-26-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-26-2-1' class='mtq_answer_text'>spreading centers and produce basaltic rocks that forms the continental crust<\/div><\/td><\/tr><tr id='mtq_row-26-3-1' onclick='mtq_button_click(26,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-26-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 26, Choice 3'>C<\/div><div id='mtq_marker-26-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-26-3-1' class='mtq_answer_text'>decompression melting is a myth created by people who hates geology<\/div><\/td><\/tr><tr id='mtq_row-26-4-1' onclick='mtq_button_click(26,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-26-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 26, Choice 4'>D<\/div><div id='mtq_marker-26-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-26-4-1' class='mtq_answer_text'>volcanoes and produce basaltic rocks that forms the continental crust<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-27-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 27<\/div><div id='mtq_stamp-27-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-27-1' class='mtq_question_text'>What are Franhaufer lines?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-27-1-1' onclick='mtq_button_click(27,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-27-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 27, Choice 1'>A<\/div><div id='mtq_marker-27-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-27-1-1' class='mtq_answer_text'>Absorption lines resulting from the absorption of Earth's rays by elements in the sun's atmosphere.<\/div><\/td><\/tr><tr id='mtq_row-27-2-1' onclick='mtq_button_click(27,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-27-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 27, Choice 2'>B<\/div><div id='mtq_marker-27-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-27-2-1' class='mtq_answer_text'>Absorption lines resulting from the absorption of Moon's rays by elements in the sun's atmosphere.<\/div><\/td><\/tr><tr id='mtq_row-27-3-1' onclick='mtq_button_click(27,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-27-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 27, Choice 3'>C<\/div><div id='mtq_marker-27-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-27-3-1' class='mtq_answer_text'>Absorption lines resulting from the absorption of sun's rays by elements in the Earth's atmosphere.<\/div><\/td><\/tr><tr id='mtq_row-27-4-1' onclick='mtq_button_click(27,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-27-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 27, Choice 4'>D<\/div><div id='mtq_marker-27-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-27-4-1' class='mtq_answer_text'>Absorption lines resulting from the absorption of Sun's rays by elements in the Sun's atmosphere.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-28-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 28<\/div><div id='mtq_stamp-28-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-28-1' class='mtq_question_text'>Radioactive isotopes are trying to reach...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-28-1-1' onclick='mtq_button_click(28,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-28-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 28, Choice 1'>A<\/div><div id='mtq_marker-28-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-28-1-1' class='mtq_answer_text'>the neutral stage.<\/div><\/td><\/tr><tr id='mtq_row-28-2-1' onclick='mtq_button_click(28,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-28-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 28, Choice 2'>B<\/div><div id='mtq_marker-28-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-28-2-1' class='mtq_answer_text'>the lowest energy state.<\/div><\/td><\/tr><tr id='mtq_row-28-3-1' onclick='mtq_button_click(28,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-28-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 28, Choice 3'>C<\/div><div id='mtq_marker-28-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-28-3-1' class='mtq_answer_text'>the excited energy state.<\/div><\/td><\/tr><tr id='mtq_row-28-4-1' onclick='mtq_button_click(28,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-28-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 28, Choice 4'>D<\/div><div id='mtq_marker-28-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-28-4-1' class='mtq_answer_text'>the highest energy state.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-29-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 29<\/div><div id='mtq_stamp-29-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-29-1' class='mtq_question_text'>Geochemical stability is determined by...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-29-1-1' onclick='mtq_button_click(29,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-29-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 29, Choice 1'>A<\/div><div id='mtq_marker-29-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-29-1-1' class='mtq_answer_text'>the proton, electron and neutron number ratio.<\/div><\/td><\/tr><tr id='mtq_row-29-2-1' onclick='mtq_button_click(29,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-29-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 29, Choice 2'>B<\/div><div id='mtq_marker-29-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-29-2-1' class='mtq_answer_text'>the electronic configuration of the atom.<\/div><\/td><\/tr><tr id='mtq_row-29-3-1' onclick='mtq_button_click(29,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-29-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 29, Choice 3'>C<\/div><div id='mtq_marker-29-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-29-3-1' class='mtq_answer_text'>the atomic number and electrons in the valance shell.<\/div><\/td><\/tr><tr id='mtq_row-29-4-1' onclick='mtq_button_click(29,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-29-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 29, Choice 4'>D<\/div><div id='mtq_marker-29-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-29-4-1' class='mtq_answer_text'>the proton and neutron number ratio.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-30-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 30<\/div><div id='mtq_stamp-30-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-30-1' class='mtq_question_text'>While H and He is abundant in the Solar system, why Li, Be and B have a low abundance rate?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-30-1-1' onclick='mtq_button_click(30,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-30-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 30, Choice 1'>A<\/div><div id='mtq_marker-30-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-30-1-1' class='mtq_answer_text'>Because they are destroyed by nuclear reactions in the stars.<\/div><\/td><\/tr><tr id='mtq_row-30-2-1' onclick='mtq_button_click(30,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-30-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 30, Choice 2'>B<\/div><div id='mtq_marker-30-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-30-2-1' class='mtq_answer_text'>Because Dr. Rajeev Nair say so...?<\/div><\/td><\/tr><tr id='mtq_row-30-3-1' onclick='mtq_button_click(30,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-30-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 30, Choice 3'>C<\/div><div id='mtq_marker-30-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-30-3-1' class='mtq_answer_text'>Because they are not formed during the BBN.<\/div><\/td><\/tr><tr id='mtq_row-30-4-1' onclick='mtq_button_click(30,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-30-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 30, Choice 4'>D<\/div><div id='mtq_marker-30-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-30-4-1' class='mtq_answer_text'>Because there wasn't a lot of atoms containing Li, Be and B at  the first place.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-31-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 31<\/div><div id='mtq_stamp-31-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-31-1' class='mtq_question_text'>Fugacity refers to what?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-31-1-1' onclick='mtq_button_click(31,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-31-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 31, Choice 1'>A<\/div><div id='mtq_marker-31-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-31-1-1' class='mtq_answer_text'>The amount of collisions between atoms in a gas <\/div><\/td><\/tr><tr id='mtq_row-31-2-1' onclick='mtq_button_click(31,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-31-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 31, Choice 2'>B<\/div><div id='mtq_marker-31-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-31-2-1' class='mtq_answer_text'>Partial pressure of a gas in a given volume<\/div><\/td><\/tr><tr id='mtq_row-31-3-1' onclick='mtq_button_click(31,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-31-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 31, Choice 3'>C<\/div><div id='mtq_marker-31-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-31-3-1' class='mtq_answer_text'>what the hell is fu... what?<\/div><\/td><\/tr><tr id='mtq_row-31-4-1' onclick='mtq_button_click(31,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-31-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 31, Choice 4'>D<\/div><div id='mtq_marker-31-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-31-4-1' class='mtq_answer_text'>Partial pressure of a solid in a given volume<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-32-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 32<\/div><div id='mtq_stamp-32-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-32-1' class='mtq_question_text'>Isotope fractionation during progressive condensation leaves the vapor more...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-32-1-1' onclick='mtq_button_click(32,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-32-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 32, Choice 1'>A<\/div><div id='mtq_marker-32-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-32-1-1' class='mtq_answer_text'>depleted in light isotopes like <sup>1<\/sup>H and <sup>16<\/sup>O.<\/div><\/td><\/tr><tr id='mtq_row-32-2-1' onclick='mtq_button_click(32,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-32-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 32, Choice 2'>B<\/div><div id='mtq_marker-32-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-32-2-1' class='mtq_answer_text'>depleted in heavy isotopes like <sup>2<\/sup>H and <sup>18<\/sup>O.<\/div><\/td><\/tr><tr id='mtq_row-32-3-1' onclick='mtq_button_click(32,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-32-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 32, Choice 3'>C<\/div><div id='mtq_marker-32-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-32-3-1' class='mtq_answer_text'>Oh come on I am confused....<\/div><\/td><\/tr><tr id='mtq_row-32-4-1' onclick='mtq_button_click(32,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-32-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 32, Choice 4'>D<\/div><div id='mtq_marker-32-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-32-4-1' class='mtq_answer_text'>enriched in heavy isotopes like <sup>2<\/sup>H and <sup>18<\/sup>O.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-32-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 32 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> The depletion of heavy isotopes due to progressive condensation is known as the rainout effect.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-33-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 33<\/div><div id='mtq_stamp-33-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-33-1' class='mtq_question_text'>Fill in the blanks: Crust is relatively rich in__A__ and the mantle is relatively rich in__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-33-1-1' onclick='mtq_button_click(33,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-33-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 33, Choice 1'>A<\/div><div id='mtq_marker-33-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-33-1-1' class='mtq_answer_text'>A. Mg\/Fe<br>\r\nB. Si<\/div><div id='mtq_hint-33-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>A. Mafic<br>\r\nB. Felsic<\/div><\/div><\/td><\/tr><tr id='mtq_row-33-2-1' onclick='mtq_button_click(33,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-33-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 33, Choice 2'>B<\/div><div id='mtq_marker-33-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-33-2-1' class='mtq_answer_text'>A. Si<br>\r\nB. Fe<\/div><\/td><\/tr><tr id='mtq_row-33-3-1' onclick='mtq_button_click(33,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-33-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 33, Choice 3'>C<\/div><div id='mtq_marker-33-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-33-3-1' class='mtq_answer_text'>A. Fe<br>\r\nB. Si<\/div><\/td><\/tr><tr id='mtq_row-33-4-1' onclick='mtq_button_click(33,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-33-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 33, Choice 4'>D<\/div><div id='mtq_marker-33-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-33-4-1' class='mtq_answer_text'>A. Si<br>\r\nB. Mg\/Fe<\/div><div id='mtq_hint-33-4-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>A. Felsic<br>\r\nB. Mafic<\/div><\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-34-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 34<\/div><div id='mtq_stamp-34-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-34-1' class='mtq_question_text'>Neutron capture and proton capture occurs...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-34-1-1' onclick='mtq_button_click(34,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-34-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 34, Choice 1'>A<\/div><div id='mtq_marker-34-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-34-1-1' class='mtq_answer_text'>During Big Bag only<\/div><\/td><\/tr><tr id='mtq_row-34-2-1' onclick='mtq_button_click(34,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-34-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 34, Choice 2'>B<\/div><div id='mtq_marker-34-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-34-2-1' class='mtq_answer_text'>Supernovae or explosive Nucleosynthesis<\/div><\/td><\/tr><tr id='mtq_row-34-3-1' onclick='mtq_button_click(34,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-34-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 34, Choice 3'>C<\/div><div id='mtq_marker-34-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-34-3-1' class='mtq_answer_text'>When stars form<\/div><\/td><\/tr><tr id='mtq_row-34-4-1' onclick='mtq_button_click(34,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-34-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 34, Choice 4'>D<\/div><div id='mtq_marker-34-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-34-4-1' class='mtq_answer_text'>During the triple alpha process<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-34-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 34 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Neutron and proton capture process creates new minerals through several processes; s\/r-process for neutron capture and p-process for proton capture.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-35-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 35<\/div><div id='mtq_stamp-35-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-35-1' class='mtq_question_text'>Felsic (silicate rich) magma is produced by....<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-35-1-1' onclick='mtq_button_click(35,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-35-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 35, Choice 1'>A<\/div><div id='mtq_marker-35-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-35-1-1' class='mtq_answer_text'>melting the inner crust<\/div><\/td><\/tr><tr id='mtq_row-35-2-1' onclick='mtq_button_click(35,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-35-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 35, Choice 2'>B<\/div><div id='mtq_marker-35-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-35-2-1' class='mtq_answer_text'>decompression melting<\/div><\/td><\/tr><tr id='mtq_row-35-3-1' onclick='mtq_button_click(35,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-35-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 35, Choice 3'>C<\/div><div id='mtq_marker-35-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-35-3-1' class='mtq_answer_text'>i have no clue and I hate you sooo much for asking dumb questions like this!<\/div><\/td><\/tr><tr id='mtq_row-35-4-1' onclick='mtq_button_click(35,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-35-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 35, Choice 4'>D<\/div><div id='mtq_marker-35-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-35-4-1' class='mtq_answer_text'>melting of basaltic rocks in the crust<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-36-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 36<\/div><div id='mtq_stamp-36-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-36-1' class='mtq_question_text'>87\/37 Rb --> 87\/38 Sr + 0\/-1 &Beta<sup>-<\/sup> + v is a, (Rb 87 going t o Sr 87)<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-36-1-1' onclick='mtq_button_click(36,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-36-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 36, Choice 1'>A<\/div><div id='mtq_marker-36-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-36-1-1' class='mtq_answer_text'>Alpha decay<\/div><\/td><\/tr><tr id='mtq_row-36-2-1' onclick='mtq_button_click(36,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-36-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 36, Choice 2'>B<\/div><div id='mtq_marker-36-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-36-2-1' class='mtq_answer_text'>Positron decay<\/div><\/td><\/tr><tr id='mtq_row-36-3-1' onclick='mtq_button_click(36,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-36-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 36, Choice 3'>C<\/div><div id='mtq_marker-36-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-36-3-1' class='mtq_answer_text'>Electron capture decay<\/div><\/td><\/tr><tr id='mtq_row-36-4-1' onclick='mtq_button_click(36,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-36-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 36, Choice 4'>D<\/div><div id='mtq_marker-36-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-36-4-1' class='mtq_answer_text'>Gamma decay<\/div><\/td><\/tr><tr id='mtq_row-36-5-1' onclick='mtq_button_click(36,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-36-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 36, Choice 5'>E<\/div><div id='mtq_marker-36-5-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-36-5-1' class='mtq_answer_text'>Beta decay<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-37-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 37<\/div><div id='mtq_stamp-37-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-37-1' class='mtq_question_text'>High Field Strength Elements (HFSE) are__A__ in fluids and Large Ion Lithophill Elements(LILE) are__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-37-1-1' onclick='mtq_button_click(37,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-37-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 37, Choice 1'>A<\/div><div id='mtq_marker-37-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-37-1-1' class='mtq_answer_text'>A. mobile<br>\r\nB. neither<\/div><\/td><\/tr><tr id='mtq_row-37-2-1' onclick='mtq_button_click(37,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-37-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 37, Choice 2'>B<\/div><div id='mtq_marker-37-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-37-2-1' class='mtq_answer_text'>A. immobile<br>\r\nB. mobile<\/div><\/td><\/tr><tr id='mtq_row-37-3-1' onclick='mtq_button_click(37,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-37-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 37, Choice 3'>C<\/div><div id='mtq_marker-37-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-37-3-1' class='mtq_answer_text'>A. mobile<br>\r\nB. immobile<\/div><\/td><\/tr><tr id='mtq_row-37-4-1' onclick='mtq_button_click(37,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-37-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 37, Choice 4'>D<\/div><div id='mtq_marker-37-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-37-4-1' class='mtq_answer_text'>A. mobile<br>\r\nB. mobile<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-37-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 37 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> HFSE concentrations in MORB and subduction zone basalts are similar with the exception of Nb, Ta and T. LILE elements are fluid mobile and transfer to the mantle wedge in subduction zones. This is why LILE is in high concentrations in balasts than MORB.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-38-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 38<\/div><div id='mtq_stamp-38-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-38-1' class='mtq_question_text'>Rare Earth Elements (REEs) commonly occurred in this state.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-38-1-1' onclick='mtq_button_click(38,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-38-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 38, Choice 1'>A<\/div><div id='mtq_marker-38-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-38-1-1' class='mtq_answer_text'>+4 state<\/div><div id='mtq_hint-38-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>only Ce occur in +4 state<\/div><\/div><\/td><\/tr><tr id='mtq_row-38-2-1' onclick='mtq_button_click(38,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-38-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 38, Choice 2'>B<\/div><div id='mtq_marker-38-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-38-2-1' class='mtq_answer_text'>+5 state<\/div><\/td><\/tr><tr id='mtq_row-38-3-1' onclick='mtq_button_click(38,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-38-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 38, Choice 3'>C<\/div><div id='mtq_marker-38-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-38-3-1' class='mtq_answer_text'>+3 state<\/div><\/td><\/tr><tr id='mtq_row-38-4-1' onclick='mtq_button_click(38,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-38-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 38, Choice 4'>D<\/div><div id='mtq_marker-38-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-38-4-1' class='mtq_answer_text'>+2 state<\/div><div id='mtq_hint-38-4-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>only Eu occur in +2 state<\/div><\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-39-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 39<\/div><div id='mtq_stamp-39-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-39-1' class='mtq_question_text'>Acid Mine Drainage is caused by...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-39-1-1' onclick='mtq_button_click(39,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-39-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 39, Choice 1'>A<\/div><div id='mtq_marker-39-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-39-1-1' class='mtq_answer_text'>accelerated reduction of iron pyrite (FeS2) and other sulphidic minerals as a result of exposure to oxygen and water<\/div><\/td><\/tr><tr id='mtq_row-39-2-1' onclick='mtq_button_click(39,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-39-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 39, Choice 2'>B<\/div><div id='mtq_marker-39-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-39-2-1' class='mtq_answer_text'>accelerated oxidation of iron pyrite (FeS2) and other sulphidic minerals as a result of exposure to oxygen and water<\/div><\/td><\/tr><tr id='mtq_row-39-3-1' onclick='mtq_button_click(39,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-39-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 39, Choice 3'>C<\/div><div id='mtq_marker-39-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-39-3-1' class='mtq_answer_text'>accelerated oxidation of silica (Si) and other sulphidic minerals as a result of exposure to oxygen and water<\/div><\/td><\/tr><tr id='mtq_row-39-4-1' onclick='mtq_button_click(39,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-39-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 39, Choice 4'>D<\/div><div id='mtq_marker-39-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-39-4-1' class='mtq_answer_text'>accumulation of miners urine causing accelerated oxidation of iron pyrite<\/div><\/td><\/tr><tr id='mtq_row-39-5-1' onclick='mtq_button_click(39,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-39-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 39, Choice 5'>E<\/div><div id='mtq_marker-39-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-39-5-1' class='mtq_answer_text'>accumulation of miners urine causing accelerated reduction of iron pyrite<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-40-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 40<\/div><div id='mtq_stamp-40-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-40-1' class='mtq_question_text'>This is a source process in formation of igneous rocks.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-40-1-1' onclick='mtq_button_click(40,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-40-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 40, Choice 1'>A<\/div><div id='mtq_marker-40-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-40-1-1' class='mtq_answer_text'>assimilation<\/div><\/td><\/tr><tr id='mtq_row-40-2-1' onclick='mtq_button_click(40,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-40-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 40, Choice 2'>B<\/div><div id='mtq_marker-40-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-40-2-1' class='mtq_answer_text'>fractional crystallization<\/div><\/td><\/tr><tr id='mtq_row-40-3-1' onclick='mtq_button_click(40,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-40-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 40, Choice 3'>C<\/div><div id='mtq_marker-40-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-40-3-1' class='mtq_answer_text'>magma mixing<\/div><\/td><\/tr><tr id='mtq_row-40-4-1' onclick='mtq_button_click(40,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-40-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 40, Choice 4'>D<\/div><div id='mtq_marker-40-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-40-4-1' class='mtq_answer_text'>partial melting<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-40-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 40 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> The wrong answers fall under the magma differentiation processes and they occur AFTER the magma was formed.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-41-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 41<\/div><div id='mtq_stamp-41-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-41-1' class='mtq_question_text'>When Iron Activity Product(IAP) is greater than the Solubility Product(K<sub>sp<\/sub>),<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-41-1-1' onclick='mtq_button_click(41,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-41-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 41, Choice 1'>A<\/div><div id='mtq_marker-41-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-41-1-1' class='mtq_answer_text'>the mineral precipitate and IAP\/K_sp ratio is <1<\/div><\/td><\/tr><tr id='mtq_row-41-2-1' onclick='mtq_button_click(41,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-41-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 41, Choice 2'>B<\/div><div id='mtq_marker-41-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-41-2-1' class='mtq_answer_text'>the mineral precipitate and IAP\/K_sp ratio is >1<\/div><\/td><\/tr><tr id='mtq_row-41-3-1' onclick='mtq_button_click(41,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-41-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 41, Choice 3'>C<\/div><div id='mtq_marker-41-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-41-3-1' class='mtq_answer_text'>the mineral dissolve and IAP\/K_sp ratio is >1<\/div><\/td><\/tr><tr id='mtq_row-41-4-1' onclick='mtq_button_click(41,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-41-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 41, Choice 4'>D<\/div><div id='mtq_marker-41-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-41-4-1' class='mtq_answer_text'>the mineral dissolve and IAP\/K_sp ratio is <1<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-42-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 42<\/div><div id='mtq_stamp-42-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-42-1' class='mtq_question_text'>Classification of a chemical reaction as redox is based on...(most suitable answer)<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-42-1-1' onclick='mtq_button_click(42,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-42-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 42, Choice 1'>A<\/div><div id='mtq_marker-42-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-42-1-1' class='mtq_answer_text'>changes in oxidation energy<\/div><\/td><\/tr><tr id='mtq_row-42-2-1' onclick='mtq_button_click(42,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-42-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 42, Choice 2'>B<\/div><div id='mtq_marker-42-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-42-2-1' class='mtq_answer_text'>charges in molecular structure<\/div><\/td><\/tr><tr id='mtq_row-42-3-1' onclick='mtq_button_click(42,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-42-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 42, Choice 3'>C<\/div><div id='mtq_marker-42-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-42-3-1' class='mtq_answer_text'>changes in the valance state<\/div><div id='mtq_hint-42-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>which is basically transfer of electrons between species<\/div><\/div><\/td><\/tr><tr id='mtq_row-42-4-1' onclick='mtq_button_click(42,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-42-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 42, Choice 4'>D<\/div><div id='mtq_marker-42-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-42-4-1' class='mtq_answer_text'>changes in nuclear binding energy<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-43-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 43<\/div><div id='mtq_stamp-43-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-43-1' class='mtq_question_text'>Meteorites forms this around the surface when it enter the atmosphere due to frictional melting.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-43-1-1' onclick='mtq_button_click(43,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-43-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 43, Choice 1'>A<\/div><div id='mtq_marker-43-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-43-1-1' class='mtq_answer_text'>melting crust<\/div><\/td><\/tr><tr id='mtq_row-43-2-1' onclick='mtq_button_click(43,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-43-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 43, Choice 2'>B<\/div><div id='mtq_marker-43-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-43-2-1' class='mtq_answer_text'>fusion crust<\/div><\/td><\/tr><tr id='mtq_row-43-3-1' onclick='mtq_button_click(43,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-43-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 43, Choice 3'>C<\/div><div id='mtq_marker-43-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-43-3-1' class='mtq_answer_text'>bonding crust<\/div><\/td><\/tr><tr id='mtq_row-43-4-1' onclick='mtq_button_click(43,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-43-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 43, Choice 4'>D<\/div><div id='mtq_marker-43-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-43-4-1' class='mtq_answer_text'>fission crust<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-44-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 44<\/div><div id='mtq_stamp-44-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-44-1' class='mtq_question_text'>What is the closure temperature in an isotopic system?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-44-1-1' onclick='mtq_button_click(44,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-44-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 44, Choice 1'>A<\/div><div id='mtq_marker-44-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-44-1-1' class='mtq_answer_text'>The temperature above, which an isotopic system becomes an isolated system.<\/div><div id='mtq_hint-44-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>Close! Are you sure it is above this temp?<\/div><\/div><\/td><\/tr><tr id='mtq_row-44-2-1' onclick='mtq_button_click(44,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-44-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 44, Choice 2'>B<\/div><div id='mtq_marker-44-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-44-2-1' class='mtq_answer_text'>The temperature below, which no minerals enter or leave the rock.<\/div><\/td><\/tr><tr id='mtq_row-44-3-1' onclick='mtq_button_click(44,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-44-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 44, Choice 3'>C<\/div><div id='mtq_marker-44-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-44-3-1' class='mtq_answer_text'>The temperature above, which no minerals enter or leave the rock.<\/div><\/td><\/tr><tr id='mtq_row-44-4-1' onclick='mtq_button_click(44,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-44-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 44, Choice 4'>D<\/div><div id='mtq_marker-44-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-44-4-1' class='mtq_answer_text'>The temperature below, which an isotopic system becomes an isolated system.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-44-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 44 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> No parent or daughter diffuse in or out of the system. The change in number of parent and daughter isotopes are only based on the radio active decay.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-45-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 45<\/div><div id='mtq_stamp-45-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-45-1' class='mtq_question_text'>Molecules that have the same chemical formula, but differ in their isotopic compositions know as...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-45-1-1' onclick='mtq_button_click(45,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-45-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 45, Choice 1'>A<\/div><div id='mtq_marker-45-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-45-1-1' class='mtq_answer_text'>isotherms<\/div><\/td><\/tr><tr id='mtq_row-45-2-1' onclick='mtq_button_click(45,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-45-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 45, Choice 2'>B<\/div><div id='mtq_marker-45-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-45-2-1' class='mtq_answer_text'>isobars<\/div><\/td><\/tr><tr id='mtq_row-45-3-1' onclick='mtq_button_click(45,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-45-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 45, Choice 3'>C<\/div><div id='mtq_marker-45-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-45-3-1' class='mtq_answer_text'>isotopes<\/div><\/td><\/tr><tr id='mtq_row-45-4-1' onclick='mtq_button_click(45,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-45-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 45, Choice 4'>D<\/div><div id='mtq_marker-45-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-45-4-1' class='mtq_answer_text'>isotopologues<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-46-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 46<\/div><div id='mtq_stamp-46-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-46-1' class='mtq_question_text'>This type of meteorites has a chemical characteristic of the solar photosphere<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-46-1-1' onclick='mtq_button_click(46,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-46-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 46, Choice 1'>A<\/div><div id='mtq_marker-46-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-46-1-1' class='mtq_answer_text'>differentiated meteorites<\/div><\/td><\/tr><tr id='mtq_row-46-2-1' onclick='mtq_button_click(46,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-46-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 46, Choice 2'>B<\/div><div id='mtq_marker-46-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-46-2-1' class='mtq_answer_text'>chondrites<\/div><\/td><\/tr><tr id='mtq_row-46-3-1' onclick='mtq_button_click(46,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-46-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 46, Choice 3'>C<\/div><div id='mtq_marker-46-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-46-3-1' class='mtq_answer_text'>all meteorites<\/div><\/td><\/tr><tr id='mtq_row-46-4-1' onclick='mtq_button_click(46,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-46-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 46, Choice 4'>D<\/div><div id='mtq_marker-46-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-46-4-1' class='mtq_answer_text'>igneous meteorites<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-47-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 47<\/div><div id='mtq_stamp-47-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-47-1' class='mtq_question_text'>It is believed that Banded Iron Formation(BIF) is caused by...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-47-1-1' onclick='mtq_button_click(47,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-47-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 47, Choice 1'>A<\/div><div id='mtq_marker-47-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-47-1-1' class='mtq_answer_text'>Fe2+ converting to Fe3+ as a result of upwelling of ocean currents transporting Fe2+ to oxidizing top layer of water.<\/div><\/td><\/tr><tr id='mtq_row-47-2-1' onclick='mtq_button_click(47,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-47-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 47, Choice 2'>B<\/div><div id='mtq_marker-47-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-47-2-1' class='mtq_answer_text'>Fe2+ converting to Fe3+ as a result of upwelling of ocean currents transporting Fe2+ to reducing top layer of water.<\/div><\/td><\/tr><tr id='mtq_row-47-3-1' onclick='mtq_button_click(47,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-47-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 47, Choice 3'>C<\/div><div id='mtq_marker-47-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-47-3-1' class='mtq_answer_text'>Fe3+ converting to Fe2+ as a result of upwelling of ocean currents transporting Fe2+ to reducing top layer of water.<\/div><\/td><\/tr><tr id='mtq_row-47-4-1' onclick='mtq_button_click(47,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-47-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 47, Choice 4'>D<\/div><div id='mtq_marker-47-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-47-4-1' class='mtq_answer_text'>Fe3+ converting to Fe2+ as a result of upwelling of ocean currents transporting Fe2+ to oxidizing top layer of water.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-48-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 48<\/div><div id='mtq_stamp-48-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-48-1' class='mtq_question_text'>If the K<sub>d<\/sub>i > 1 then,<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-48-1-1' onclick='mtq_button_click(48,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-48-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 48, Choice 1'>A<\/div><div id='mtq_marker-48-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-48-1-1' class='mtq_answer_text'>the element preferentially partition into the melt and the element is incompatible.<\/div><\/td><\/tr><tr id='mtq_row-48-2-1' onclick='mtq_button_click(48,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-48-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 48, Choice 2'>B<\/div><div id='mtq_marker-48-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-48-2-1' class='mtq_answer_text'>the element preferentially partition into the mineral\/solid and the element is incompatible.<\/div><\/td><\/tr><tr id='mtq_row-48-3-1' onclick='mtq_button_click(48,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-48-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 48, Choice 3'>C<\/div><div id='mtq_marker-48-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-48-3-1' class='mtq_answer_text'>the element preferentially partition into the melt and the element is compatible.<\/div><\/td><\/tr><tr id='mtq_row-48-4-1' onclick='mtq_button_click(48,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-48-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 48, Choice 4'>D<\/div><div id='mtq_marker-48-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-48-4-1' class='mtq_answer_text'>the element preferentially partition into the mineral\/solid and the element is compatible.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-49-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 49<\/div><div id='mtq_stamp-49-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-49-1' class='mtq_question_text'>Comets and meteorites are differ...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-49-1-1' onclick='mtq_button_click(49,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-49-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 49, Choice 1'>A<\/div><div id='mtq_marker-49-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-49-1-1' class='mtq_answer_text'>because meteorites develop tails when they approach Earth, while comets don't<\/div><\/td><\/tr><tr id='mtq_row-49-2-1' onclick='mtq_button_click(49,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-49-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 49, Choice 2'>B<\/div><div id='mtq_marker-49-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-49-2-1' class='mtq_answer_text'>because comets comes from the Asteroid belt, which is further from Earth while meteorites comes from Oort cloud, which is closer to Earth<\/div><\/td><\/tr><tr id='mtq_row-49-3-1' onclick='mtq_button_click(49,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-49-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 49, Choice 3'>C<\/div><div id='mtq_marker-49-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-49-3-1' class='mtq_answer_text'>because this is classified based on the abundance; comets are more common and meteorites are rare.<\/div><\/td><\/tr><tr id='mtq_row-49-4-1' onclick='mtq_button_click(49,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-49-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 49, Choice 4'>D<\/div><div id='mtq_marker-49-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-49-4-1' class='mtq_answer_text'>because comets comes from the Oort cloud, which is further from Earth while meteorites comes from Asteroid belt, which is closer to Earth<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-50-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 50<\/div><div id='mtq_stamp-50-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-50-1' class='mtq_question_text'>How do we know that Earth is differentiated in to layers?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-50-1-1' onclick='mtq_button_click(50,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-50-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 50, Choice 1'>A<\/div><div id='mtq_marker-50-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-50-1-1' class='mtq_answer_text'>I have no freaking clue what hell you talking about!<\/div><\/td><\/tr><tr id='mtq_row-50-2-1' onclick='mtq_button_click(50,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-50-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 50, Choice 2'>B<\/div><div id='mtq_marker-50-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-50-2-1' class='mtq_answer_text'>Variation in chemical composition of rocks and minerals<\/div><\/td><\/tr><tr id='mtq_row-50-3-1' onclick='mtq_button_click(50,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-50-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 50, Choice 3'>C<\/div><div id='mtq_marker-50-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-50-3-1' class='mtq_answer_text'>Differences in core samples analysis<\/div><\/td><\/tr><tr id='mtq_row-50-4-1' onclick='mtq_button_click(50,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-50-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 50, Choice 4'>D<\/div><div id='mtq_marker-50-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-50-4-1' class='mtq_answer_text'>Variation in seismic waves due to velocity decrease from outer to inner core due to phase change from liquid to solid<\/div><\/td><\/tr><tr id='mtq_row-50-5-1' onclick='mtq_button_click(50,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-50-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 50, Choice 5'>E<\/div><div id='mtq_marker-50-5-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-50-5-1' class='mtq_answer_text'>Variation in seismic waves due to velocity increase from outer to inner core due to phase change from liquid to solid<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-51-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 51<\/div><div id='mtq_stamp-51-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-51-1' class='mtq_question_text'>How many <b>major<\/b> stages to nucleosynthesis?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-51-1-1' onclick='mtq_button_click(51,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-51-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 51, Choice 1'>A<\/div><div id='mtq_marker-51-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-51-1-1' class='mtq_answer_text'>3<\/div><\/td><\/tr><tr id='mtq_row-51-2-1' onclick='mtq_button_click(51,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-51-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 51, Choice 2'>B<\/div><div id='mtq_marker-51-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-51-2-1' class='mtq_answer_text'>2<\/div><\/td><\/tr><tr id='mtq_row-51-3-1' onclick='mtq_button_click(51,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-51-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 51, Choice 3'>C<\/div><div id='mtq_marker-51-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-51-3-1' class='mtq_answer_text'>4<\/div><\/td><\/tr><tr id='mtq_row-51-4-1' onclick='mtq_button_click(51,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-51-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 51, Choice 4'>D<\/div><div id='mtq_marker-51-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-51-4-1' class='mtq_answer_text'>1<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-51-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 51 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> While there are sub stages, the main 3 would be:<br>\r\n1. Big Bang<br>\r\n2. Stellar<br>\r\n3. Supernova<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-52-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 52<\/div><div id='mtq_stamp-52-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-52-1' class='mtq_question_text'>The magma that has under gone <u>no<\/u> differentiation is known as,<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-52-1-1' onclick='mtq_button_click(52,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-52-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 52, Choice 1'>A<\/div><div id='mtq_marker-52-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-52-1-1' class='mtq_answer_text'>primitive magma.<\/div><div id='mtq_hint-52-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>another word for parental magma.<\/div><\/div><\/td><\/tr><tr id='mtq_row-52-2-1' onclick='mtq_button_click(52,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-52-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 52, Choice 2'>B<\/div><div id='mtq_marker-52-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-52-2-1' class='mtq_answer_text'>primary magma.<\/div><\/td><\/tr><tr id='mtq_row-52-3-1' onclick='mtq_button_click(52,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-52-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 52, Choice 3'>C<\/div><div id='mtq_marker-52-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-52-3-1' class='mtq_answer_text'>parental magma.<\/div><div id='mtq_hint-52-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>another word for primitive magma.<\/div><\/div><\/td><\/tr><tr id='mtq_row-52-4-1' onclick='mtq_button_click(52,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-52-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 52, Choice 4'>D<\/div><div id='mtq_marker-52-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-52-4-1' class='mtq_answer_text'>evolved magma.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-52-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 52 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Primitive\/parental magma is the magma that has undergone least differentiation. The evolved magma has undergone the most differentiation.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-53-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 53<\/div><div id='mtq_stamp-53-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-53-1' class='mtq_question_text'>Best way to measure trace elements...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-53-1-1' onclick='mtq_button_click(53,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-53-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 53, Choice 1'>A<\/div><div id='mtq_marker-53-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-53-1-1' class='mtq_answer_text'>X-ray fluorescence(XRF) mass spectrometry<\/div><\/td><\/tr><tr id='mtq_row-53-2-1' onclick='mtq_button_click(53,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-53-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 53, Choice 2'>B<\/div><div id='mtq_marker-53-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-53-2-1' class='mtq_answer_text'>BES imaging<\/div><\/td><\/tr><tr id='mtq_row-53-3-1' onclick='mtq_button_click(53,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-53-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 53, Choice 3'>C<\/div><div id='mtq_marker-53-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-53-3-1' class='mtq_answer_text'>Wavelength Dispersive Spectrometry<\/div><\/td><\/tr><tr id='mtq_row-53-4-1' onclick='mtq_button_click(53,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-53-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 53, Choice 4'>D<\/div><div id='mtq_marker-53-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-53-4-1' class='mtq_answer_text'>Electron Probe Micro-Analyzer (EPMA)<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-54-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 54<\/div><div id='mtq_stamp-54-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-54-1' class='mtq_question_text'>In Di = W<sub>A<\/sub>Kdi<sup>A<\/sup>, if the Di = 1 then the mineral is<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-54-1-1' onclick='mtq_button_click(54,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-54-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 54, Choice 1'>A<\/div><div id='mtq_marker-54-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-54-1-1' class='mtq_answer_text'>equally partition in to the melt and the solid.<\/div><\/td><\/tr><tr id='mtq_row-54-2-1' onclick='mtq_button_click(54,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-54-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 54, Choice 2'>B<\/div><div id='mtq_marker-54-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-54-2-1' class='mtq_answer_text'>incompatible (solid favored; preferentially petition into the mineral)<\/div><\/td><\/tr><tr id='mtq_row-54-3-1' onclick='mtq_button_click(54,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-54-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 54, Choice 3'>C<\/div><div id='mtq_marker-54-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-54-3-1' class='mtq_answer_text'>compatible (solid favored; preferentially petition into the mineral)<\/div><\/td><\/tr><tr id='mtq_row-54-4-1' onclick='mtq_button_click(54,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-54-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 54, Choice 4'>D<\/div><div id='mtq_marker-54-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-54-4-1' class='mtq_answer_text'>nothing will happen because Di=1 will keep the system at equilibrium.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-55-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 55<\/div><div id='mtq_stamp-55-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-55-1' class='mtq_question_text'>Proper order of steps to setup an activity-activity diagram.<br>\r\nA. Apply Schreinemakers Rule for arrangement of reaction around an invariant point.<br>\r\nB. Take the log of both sides.<br>\r\nC. Plot the reactions using rate K<br>\r\nD. Write the equilibrium constant expression for the reaction.<br>\r\nE. Arrange the equation in a liner form.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-55-1-1' onclick='mtq_button_click(55,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-55-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 55, Choice 1'>A<\/div><div id='mtq_marker-55-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-55-1-1' class='mtq_answer_text'>D, B, E, C, A<\/div><\/td><\/tr><tr id='mtq_row-55-2-1' onclick='mtq_button_click(55,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-55-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 55, Choice 2'>B<\/div><div id='mtq_marker-55-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-55-2-1' class='mtq_answer_text'>A, B, E, C, E<\/div><\/td><\/tr><tr id='mtq_row-55-3-1' onclick='mtq_button_click(55,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-55-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 55, Choice 3'>C<\/div><div id='mtq_marker-55-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-55-3-1' class='mtq_answer_text'>A, C, B, D, E<\/div><\/td><\/tr><tr id='mtq_row-55-4-1' onclick='mtq_button_click(55,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-55-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 55, Choice 4'>D<\/div><div id='mtq_marker-55-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-55-4-1' class='mtq_answer_text'>E, A, C, B, D<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-56-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 56<\/div><div id='mtq_stamp-56-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-56-1' class='mtq_question_text'>Carbon-14 dating can be used to date items as old as__A__ calender years. It is reported in years before present(BP), which is the number of__B__ years before 1950 atomic bomb test.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-56-1-1' onclick='mtq_button_click(56,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-56-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 56, Choice 1'>A<\/div><div id='mtq_marker-56-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-56-1-1' class='mtq_answer_text'>A. 5000<br>\r\nB. calender<\/div><\/td><\/tr><tr id='mtq_row-56-2-1' onclick='mtq_button_click(56,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-56-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 56, Choice 2'>B<\/div><div id='mtq_marker-56-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-56-2-1' class='mtq_answer_text'>A. 50,000<br>\r\nB. radiocarbon<\/div><\/td><\/tr><tr id='mtq_row-56-3-1' onclick='mtq_button_click(56,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-56-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 56, Choice 3'>C<\/div><div id='mtq_marker-56-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-56-3-1' class='mtq_answer_text'>A. 50,000<br>\r\nB. calender<\/div><\/td><\/tr><tr id='mtq_row-56-4-1' onclick='mtq_button_click(56,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-56-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 56, Choice 4'>D<\/div><div id='mtq_marker-56-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-56-4-1' class='mtq_answer_text'>A. 5000<br>\r\nB. radiocarbon<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-57-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 57<\/div><div id='mtq_stamp-57-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-57-1' class='mtq_question_text'>Evaporation of water is a__A__ fractionation and the condensation of water vapor is a__B__ fractionation.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-57-1-1' onclick='mtq_button_click(57,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-57-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 57, Choice 1'>A<\/div><div id='mtq_marker-57-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-57-1-1' class='mtq_answer_text'>A. kinetic isotopic<br>\r\nB. mass independent<\/div><\/td><\/tr><tr id='mtq_row-57-2-1' onclick='mtq_button_click(57,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-57-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 57, Choice 2'>B<\/div><div id='mtq_marker-57-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-57-2-1' class='mtq_answer_text'>A. equilibrium isotopic<br>\r\nB. mass dependent<\/div><\/td><\/tr><tr id='mtq_row-57-3-1' onclick='mtq_button_click(57,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-57-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 57, Choice 3'>C<\/div><div id='mtq_marker-57-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-57-3-1' class='mtq_answer_text'>A. equilibrium isotopic<br>\r\nB. kinetic isotopic<\/div><\/td><\/tr><tr id='mtq_row-57-4-1' onclick='mtq_button_click(57,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-57-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 57, Choice 4'>D<\/div><div id='mtq_marker-57-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-57-4-1' class='mtq_answer_text'>A. kinetic isotopic<br>\r\nB. equilibrium isotopic<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-58-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 58<\/div><div id='mtq_stamp-58-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-58-1' class='mtq_question_text'>For slowly cooled terrains, minerals with____will provide a better estimate of the age of crystallization.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-58-1-1' onclick='mtq_button_click(58,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-58-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 58, Choice 1'>A<\/div><div id='mtq_marker-58-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-58-1-1' class='mtq_answer_text'>low closure temperature<\/div><\/td><\/tr><tr id='mtq_row-58-2-1' onclick='mtq_button_click(58,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-58-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 58, Choice 2'>B<\/div><div id='mtq_marker-58-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-58-2-1' class='mtq_answer_text'>constant closure temperature<\/div><\/td><\/tr><tr id='mtq_row-58-3-1' onclick='mtq_button_click(58,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-58-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 58, Choice 3'>C<\/div><div id='mtq_marker-58-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-58-3-1' class='mtq_answer_text'>high closure temperature<\/div><\/td><\/tr><tr id='mtq_row-58-4-1' onclick='mtq_button_click(58,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-58-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 58, Choice 4'>D<\/div><div id='mtq_marker-58-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-58-4-1' class='mtq_answer_text'>medium closure temperature<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-59-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 59<\/div><div id='mtq_stamp-59-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-59-1' class='mtq_question_text'>Calcite\/aragonite precipitated from sea water has a__A__ &delta;<sup>18<\/sup>O value than water because__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-59-1-1' onclick='mtq_button_click(59,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-59-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 59, Choice 1'>A<\/div><div id='mtq_marker-59-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-59-1-1' class='mtq_answer_text'>lower<br>\r\nstrongly bonded phase preferentially take in lighter isotopes.<\/div><\/td><\/tr><tr id='mtq_row-59-2-1' onclick='mtq_button_click(59,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-59-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 59, Choice 2'>B<\/div><div id='mtq_marker-59-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-59-2-1' class='mtq_answer_text'>higher<br>\r\nstrongly bonded phase preferentially take in lighter isotopes.<\/div><\/td><\/tr><tr id='mtq_row-59-3-1' onclick='mtq_button_click(59,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-59-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 59, Choice 3'>C<\/div><div id='mtq_marker-59-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-59-3-1' class='mtq_answer_text'>same<br>\r\nall isotopes of O is at equilibrium.<\/div><\/td><\/tr><tr id='mtq_row-59-4-1' onclick='mtq_button_click(59,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-59-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 59, Choice 4'>D<\/div><div id='mtq_marker-59-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-59-4-1' class='mtq_answer_text'>higher<br>\r\nstrongly bonded phase preferentially take in heavier isotopes.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-59-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 59 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> ...and the calcite-oxygen isotope fractionation is temperature dependent. (When temp decrease, the fractionation also decreases)<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-60-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 60<\/div><div id='mtq_stamp-60-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-60-1' class='mtq_question_text'>What is nucleosynthesis?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-60-1-1' onclick='mtq_button_click(60,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-60-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 60, Choice 1'>A<\/div><div id='mtq_marker-60-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-60-1-1' class='mtq_answer_text'>The process of creating compounds using pre-existing elements<\/div><\/td><\/tr><tr id='mtq_row-60-2-1' onclick='mtq_button_click(60,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-60-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 60, Choice 2'>B<\/div><div id='mtq_marker-60-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-60-2-1' class='mtq_answer_text'>The process of creating hydrogen<\/div><\/td><\/tr><tr id='mtq_row-60-3-1' onclick='mtq_button_click(60,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-60-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 60, Choice 3'>C<\/div><div id='mtq_marker-60-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-60-3-1' class='mtq_answer_text'>The process of all atomic reactions<\/div><\/td><\/tr><tr id='mtq_row-60-4-1' onclick='mtq_button_click(60,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-60-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 60, Choice 4'>D<\/div><div id='mtq_marker-60-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-60-4-1' class='mtq_answer_text'>The process of creating new atomic nuclei from pre-existing nucleons (protons and neutrons)<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-61-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 61<\/div><div id='mtq_stamp-61-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-61-1' class='mtq_question_text'>What is s-process?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-61-1-1' onclick='mtq_button_click(61,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-61-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 61, Choice 1'>A<\/div><div id='mtq_marker-61-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-61-1-1' class='mtq_answer_text'>A type of neutron capture process where addition of protons to pre-existing nucleotides occur. This produce nuclides that cannot be produced by other processes.<\/div><\/td><\/tr><tr id='mtq_row-61-2-1' onclick='mtq_button_click(61,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-61-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 61, Choice 2'>B<\/div><div id='mtq_marker-61-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-61-2-1' class='mtq_answer_text'>A type of neutron capture process that occurs at slow rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><tr id='mtq_row-61-3-1' onclick='mtq_button_click(61,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-61-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 61, Choice 3'>C<\/div><div id='mtq_marker-61-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-61-3-1' class='mtq_answer_text'>A type of neutron capture process that occurs at slow rates. The addition of multiple neutrons occur before radioactive decay.<\/div><\/td><\/tr><tr id='mtq_row-61-4-1' onclick='mtq_button_click(61,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-61-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 61, Choice 4'>D<\/div><div id='mtq_marker-61-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-61-4-1' class='mtq_answer_text'>A type of neutron capture process that occurs at fast rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-62-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 62<\/div><div id='mtq_stamp-62-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-62-1' class='mtq_question_text'>Fe is the most stable nucleotide because...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-62-1-1' onclick='mtq_button_click(62,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-62-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 62, Choice 1'>A<\/div><div id='mtq_marker-62-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-62-1-1' class='mtq_answer_text'>it has the lowest nuclear binding energy(NBE).<\/div><\/td><\/tr><tr id='mtq_row-62-2-1' onclick='mtq_button_click(62,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-62-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 62, Choice 2'>B<\/div><div id='mtq_marker-62-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-62-2-1' class='mtq_answer_text'>Fe was the most common element produced in the BBN.<\/div><\/td><\/tr><tr id='mtq_row-62-3-1' onclick='mtq_button_click(62,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-62-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 62, Choice 3'>C<\/div><div id='mtq_marker-62-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-62-3-1' class='mtq_answer_text'>it has the highest nuclear binding energy(NBE).<\/div><\/td><\/tr><tr id='mtq_row-62-4-1' onclick='mtq_button_click(62,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-62-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 62, Choice 4'>D<\/div><div id='mtq_marker-62-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-62-4-1' class='mtq_answer_text'>Fe was the most common element produced in stars.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-63-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 63<\/div><div id='mtq_stamp-63-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-63-1' class='mtq_question_text'>If the Eh is positive (+) it is an indication that that natural environment is...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-63-1-1' onclick='mtq_button_click(63,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-63-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 63, Choice 1'>A<\/div><div id='mtq_marker-63-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-63-1-1' class='mtq_answer_text'>oxidizing and electrons move from the system to SHE.<\/div><\/td><\/tr><tr id='mtq_row-63-2-1' onclick='mtq_button_click(63,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-63-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 63, Choice 2'>B<\/div><div id='mtq_marker-63-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-63-2-1' class='mtq_answer_text'>reducing and electrons move from SHE to the system.<\/div><\/td><\/tr><tr id='mtq_row-63-3-1' onclick='mtq_button_click(63,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-63-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 63, Choice 3'>C<\/div><div id='mtq_marker-63-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-63-3-1' class='mtq_answer_text'>reducing and electrons move from the system to SHE.<\/div><\/td><\/tr><tr id='mtq_row-63-4-1' onclick='mtq_button_click(63,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-63-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 63, Choice 4'>D<\/div><div id='mtq_marker-63-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-63-4-1' class='mtq_answer_text'>oxidizing and electrons move from SHE to the system.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-63-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 63 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Eh = +, less electrons in the environments and the environment is oxidizing.<br>\r\nEh= -, abundant electrons in the environment and the environment is reducing.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-64-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 64<\/div><div id='mtq_stamp-64-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-64-1' class='mtq_question_text'>What is the most abundant type of meteorites found on Earth?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-64-1-1' onclick='mtq_button_click(64,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-64-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 64, Choice 1'>A<\/div><div id='mtq_marker-64-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-64-1-1' class='mtq_answer_text'>Igneous meteorites<\/div><\/td><\/tr><tr id='mtq_row-64-2-1' onclick='mtq_button_click(64,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-64-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 64, Choice 2'>B<\/div><div id='mtq_marker-64-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-64-2-1' class='mtq_answer_text'>Chondrites<\/div><\/td><\/tr><tr id='mtq_row-64-3-1' onclick='mtq_button_click(64,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-64-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 64, Choice 3'>C<\/div><div id='mtq_marker-64-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-64-3-1' class='mtq_answer_text'>rdinary<\/div><\/td><\/tr><tr id='mtq_row-64-4-1' onclick='mtq_button_click(64,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-64-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 64, Choice 4'>D<\/div><div id='mtq_marker-64-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-64-4-1' class='mtq_answer_text'>Differentiated meteorites<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-64-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 64 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> yep... about 85% of all meteorites found to this day are Chondrites.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-65-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 65<\/div><div id='mtq_stamp-65-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-65-1' class='mtq_question_text'>Best instruments to measure isotopes...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-65-1-1' onclick='mtq_button_click(65,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-65-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 65, Choice 1'>A<\/div><div id='mtq_marker-65-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-65-1-1' class='mtq_answer_text'>ICP-MS, SIMS<\/div><\/td><\/tr><tr id='mtq_row-65-2-1' onclick='mtq_button_click(65,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-65-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 65, Choice 2'>B<\/div><div id='mtq_marker-65-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-65-2-1' class='mtq_answer_text'>AAS<\/div><\/td><\/tr><tr id='mtq_row-65-3-1' onclick='mtq_button_click(65,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-65-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 65, Choice 3'>C<\/div><div id='mtq_marker-65-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-65-3-1' class='mtq_answer_text'>any type of mass spectrometry<\/div><\/td><\/tr><tr id='mtq_row-65-4-1' onclick='mtq_button_click(65,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-65-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 65, Choice 4'>D<\/div><div id='mtq_marker-65-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-65-4-1' class='mtq_answer_text'>XRF, ICP-AES, EPMA<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-66-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 66<\/div><div id='mtq_stamp-66-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-66-1' class='mtq_question_text'>In geothermobarometry, the geothermometer is,<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-66-1-1' onclick='mtq_button_click(66,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-66-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 66, Choice 1'>A<\/div><div id='mtq_marker-66-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-66-1-1' class='mtq_answer_text'>insensitive to temperature change and insensitive to pressure.<\/div><\/td><\/tr><tr id='mtq_row-66-2-1' onclick='mtq_button_click(66,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-66-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 66, Choice 2'>B<\/div><div id='mtq_marker-66-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-66-2-1' class='mtq_answer_text'>sensitive to pressure change and insensitive to temperature.<\/div><\/td><\/tr><tr id='mtq_row-66-3-1' onclick='mtq_button_click(66,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-66-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 66, Choice 3'>C<\/div><div id='mtq_marker-66-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-66-3-1' class='mtq_answer_text'>sensitive to temperature change and insensitive to pressure.<\/div><\/td><\/tr><tr id='mtq_row-66-4-1' onclick='mtq_button_click(66,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-66-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 66, Choice 4'>D<\/div><div id='mtq_marker-66-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-66-4-1' class='mtq_answer_text'>sensitive to temperature change and sensitive to pressure.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-66-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 66 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> ...and delta S >>> delta V, small volume change, dP\/dT slope is steep.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-67-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 67<\/div><div id='mtq_stamp-67-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-67-1' class='mtq_question_text'>During photosynthesis(kinetic fractionation), plants prefer to process...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-67-1-1' onclick='mtq_button_click(67,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-67-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 67, Choice 1'>A<\/div><div id='mtq_marker-67-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-67-1-1' class='mtq_answer_text'>C-12<\/div><\/td><\/tr><tr id='mtq_row-67-2-1' onclick='mtq_button_click(67,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-67-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 67, Choice 2'>B<\/div><div id='mtq_marker-67-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-67-2-1' class='mtq_answer_text'>C-14<\/div><\/td><\/tr><tr id='mtq_row-67-3-1' onclick='mtq_button_click(67,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-67-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 67, Choice 3'>C<\/div><div id='mtq_marker-67-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-67-3-1' class='mtq_answer_text'>C-13<\/div><\/td><\/tr><tr id='mtq_row-67-4-1' onclick='mtq_button_click(67,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-67-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 67, Choice 4'>D<\/div><div id='mtq_marker-67-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-67-4-1' class='mtq_answer_text'>C-15<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-67-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 67 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Both C-12 and C-13 are stable isotopes of carbon. Since C-12 is preferentially used in photosynthesis, 98.89% of all carbon atoms in the world are C-12.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-68-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 68<\/div><div id='mtq_stamp-68-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-68-1' class='mtq_question_text'>The second stage of nucleosynthesis is...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-68-1-1' onclick='mtq_button_click(68,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-68-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 68, Choice 1'>A<\/div><div id='mtq_marker-68-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-68-1-1' class='mtq_answer_text'>Stellar Nucleosynthesis involving stars<\/div><\/td><\/tr><tr id='mtq_row-68-2-1' onclick='mtq_button_click(68,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-68-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 68, Choice 2'>B<\/div><div id='mtq_marker-68-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-68-2-1' class='mtq_answer_text'>Neutron capture process<\/div><\/td><\/tr><tr id='mtq_row-68-3-1' onclick='mtq_button_click(68,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-68-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 68, Choice 3'>C<\/div><div id='mtq_marker-68-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-68-3-1' class='mtq_answer_text'>Supernova involving stars<\/div><\/td><\/tr><tr id='mtq_row-68-4-1' onclick='mtq_button_click(68,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-68-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 68, Choice 4'>D<\/div><div id='mtq_marker-68-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-68-4-1' class='mtq_answer_text'>Stellar Nucleosynthesis involving planets<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-69-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 69<\/div><div id='mtq_stamp-69-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-69-1' class='mtq_question_text'>The mass of an atom is less than the calculated mass using individual atomic masses because...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-69-1-1' onclick='mtq_button_click(69,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-69-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 69, Choice 1'>A<\/div><div id='mtq_marker-69-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-69-1-1' class='mtq_answer_text'>mass is converted to nuclear binding energy.<\/div><\/td><\/tr><tr id='mtq_row-69-2-1' onclick='mtq_button_click(69,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-69-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 69, Choice 2'>B<\/div><div id='mtq_marker-69-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-69-2-1' class='mtq_answer_text'>nucleons are lost during the formation of the atom.<\/div><\/td><\/tr><tr id='mtq_row-69-3-1' onclick='mtq_button_click(69,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-69-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 69, Choice 3'>C<\/div><div id='mtq_marker-69-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-69-3-1' class='mtq_answer_text'>mass is converted to light during fission.<\/div><\/td><\/tr><tr id='mtq_row-69-4-1' onclick='mtq_button_click(69,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-69-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 69, Choice 4'>D<\/div><div id='mtq_marker-69-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-69-4-1' class='mtq_answer_text'>mass is converted to light during fusion.<\/div><\/td><\/tr><tr id='mtq_row-69-5-1' onclick='mtq_button_click(69,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-69-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 69, Choice 5'>E<\/div><div id='mtq_marker-69-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-69-5-1' class='mtq_answer_text'>mass is converted to atoms.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-70-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 70<\/div><div id='mtq_stamp-70-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-70-1' class='mtq_question_text'>What is p-process?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-70-1-1' onclick='mtq_button_click(70,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-70-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 70, Choice 1'>A<\/div><div id='mtq_marker-70-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-70-1-1' class='mtq_answer_text'>A type of proton capture process that occurs at slow rates. The addition of multiple neutrons occur before radioactive decay.<\/div><\/td><\/tr><tr id='mtq_row-70-2-1' onclick='mtq_button_click(70,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-70-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 70, Choice 2'>B<\/div><div id='mtq_marker-70-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-70-2-1' class='mtq_answer_text'>A type of proton capture process where addition of protons to pre-existing nucleotides occur. This produce nuclides that cannot be produced by other processes.<\/div><\/td><\/tr><tr id='mtq_row-70-3-1' onclick='mtq_button_click(70,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-70-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 70, Choice 3'>C<\/div><div id='mtq_marker-70-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-70-3-1' class='mtq_answer_text'>A type of proton capture process that occurs at fast rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><tr id='mtq_row-70-4-1' onclick='mtq_button_click(70,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-70-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 70, Choice 4'>D<\/div><div id='mtq_marker-70-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-70-4-1' class='mtq_answer_text'>A type of proton capture process that occurs at slow rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-70-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 70 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> The s and r processes are the neutron capture while proton capture process only accommodated by p-process.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-71-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 71<\/div><div id='mtq_stamp-71-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-71-1' class='mtq_question_text'>What is Bulk Silicate Earth(BSE)?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-71-1-1' onclick='mtq_button_click(71,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-71-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 71, Choice 1'>A<\/div><div id='mtq_marker-71-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-71-1-1' class='mtq_answer_text'>The Earth after the core formation before it was differentiated into mantle and crust<\/div><div id='mtq_hint-71-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>aka primitive mantle<\/div><\/div><\/td><\/tr><tr id='mtq_row-71-2-1' onclick='mtq_button_click(71,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-71-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 71, Choice 2'>B<\/div><div id='mtq_marker-71-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-71-2-1' class='mtq_answer_text'>The Earth before the core, mantle and crust formation<\/div><\/td><\/tr><tr id='mtq_row-71-3-1' onclick='mtq_button_click(71,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-71-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 71, Choice 3'>C<\/div><div id='mtq_marker-71-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-71-3-1' class='mtq_answer_text'>Breast Self Exam (BSE), something girls do<\/div><div id='mtq_hint-71-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>Dude come on!<\/div><\/div><\/td><\/tr><tr id='mtq_row-71-4-1' onclick='mtq_button_click(71,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-71-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 71, Choice 4'>D<\/div><div id='mtq_marker-71-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-71-4-1' class='mtq_answer_text'>The Earth before the core formation but after it was differentiated into mantle and crust<\/div><\/td><\/tr><tr id='mtq_row-71-5-1' onclick='mtq_button_click(71,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-71-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 71, Choice 5'>E<\/div><div id='mtq_marker-71-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-71-5-1' class='mtq_answer_text'>The Earth after it was differentiated into mantle and crust<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-72-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 72<\/div><div id='mtq_stamp-72-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-72-1' class='mtq_question_text'>The Sun has this type of stellar nucleosynthesis...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-72-1-1' onclick='mtq_button_click(72,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-72-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 72, Choice 1'>A<\/div><div id='mtq_marker-72-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-72-1-1' class='mtq_answer_text'>Carbon-Nitrogen-Oxygen (CNO cycle)<\/div><\/td><\/tr><tr id='mtq_row-72-2-1' onclick='mtq_button_click(72,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-72-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 72, Choice 2'>B<\/div><div id='mtq_marker-72-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-72-2-1' class='mtq_answer_text'>Proton Capture s\/r-p-processes<\/div><\/td><\/tr><tr id='mtq_row-72-3-1' onclick='mtq_button_click(72,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-72-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 72, Choice 3'>C<\/div><div id='mtq_marker-72-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-72-3-1' class='mtq_answer_text'>Proton-Proton Chain Reaction<\/div><div id='mtq_hint-72-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>Occurs in the first generation stars that contains only H, He, Li<\/div><\/div><\/td><\/tr><tr id='mtq_row-72-4-1' onclick='mtq_button_click(72,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-72-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 72, Choice 4'>D<\/div><div id='mtq_marker-72-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-72-4-1' class='mtq_answer_text'>Solar Nebula nucleosynthesis<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-72-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 72 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Occurs in second generation stars, which contains heavier elements other than H, He and Li that is inherited from older stars.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-73-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 73<\/div><div id='mtq_stamp-73-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-73-1' class='mtq_question_text'>What are cosmic rays?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-73-1-1' onclick='mtq_button_click(73,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-73-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 73, Choice 1'>A<\/div><div id='mtq_marker-73-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-73-1-1' class='mtq_answer_text'>Low energy protons and alpha-particles that are generated in the galaxy.<\/div><\/td><\/tr><tr id='mtq_row-73-2-1' onclick='mtq_button_click(73,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-73-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 73, Choice 2'>B<\/div><div id='mtq_marker-73-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-73-2-1' class='mtq_answer_text'>Low energy protons and alpha-particles that are generated by a laser in a laboratory.<\/div><\/td><\/tr><tr id='mtq_row-73-3-1' onclick='mtq_button_click(73,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-73-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 73, Choice 3'>C<\/div><div id='mtq_marker-73-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-73-3-1' class='mtq_answer_text'>High energy protons and alpha-particles that are generated by a laser in a laboratory.<\/div><\/td><\/tr><tr id='mtq_row-73-4-1' onclick='mtq_button_click(73,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-73-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 73, Choice 4'>D<\/div><div id='mtq_marker-73-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-73-4-1' class='mtq_answer_text'>High energy protons and alpha-particles that are generated in the galaxy.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-73-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 73 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> These high energy proton and alpha-particle rays when bombarded with elements can produce other elements like Li, Be and B by spallation reactions. <\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-74-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 74<\/div><div id='mtq_stamp-74-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-74-1' class='mtq_question_text'>The upper intercept between the concordia curve and the discordia line will provide...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-74-1-1' onclick='mtq_button_click(74,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-74-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 74, Choice 1'>A<\/div><div id='mtq_marker-74-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-74-1-1' class='mtq_answer_text'>the age since the Pb loss occurred.<\/div><\/td><\/tr><tr id='mtq_row-74-2-1' onclick='mtq_button_click(74,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-74-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 74, Choice 2'>B<\/div><div id='mtq_marker-74-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-74-2-1' class='mtq_answer_text'>the reaction coefficient.<\/div><\/td><\/tr><tr id='mtq_row-74-3-1' onclick='mtq_button_click(74,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-74-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 74, Choice 3'>C<\/div><div id='mtq_marker-74-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-74-3-1' class='mtq_answer_text'>the age of crystallization.<\/div><div id='mtq_hint-74-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>aka alpha intercept<\/div><\/div><\/td><\/tr><tr id='mtq_row-74-4-1' onclick='mtq_button_click(74,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-74-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 74, Choice 4'>D<\/div><div id='mtq_marker-74-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-74-4-1' class='mtq_answer_text'>the relative speed of the reaction.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-74-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 74 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Upper intercept(alpha) will provide the age of crystallization, while the lower intercept(beta) will provide the the age since the Pb loss occurred.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-75-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 75<\/div><div id='mtq_stamp-75-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-75-1' class='mtq_question_text'>___are not a part of decay mechanism, but are emitted from an excited daughter nuclei as it becomes stable. <\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-75-1-1' onclick='mtq_button_click(75,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-75-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 75, Choice 1'>A<\/div><div id='mtq_marker-75-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-75-1-1' class='mtq_answer_text'>Laser rays<\/div><\/td><\/tr><tr id='mtq_row-75-2-1' onclick='mtq_button_click(75,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-75-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 75, Choice 2'>B<\/div><div id='mtq_marker-75-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-75-2-1' class='mtq_answer_text'>Beta rays<\/div><\/td><\/tr><tr id='mtq_row-75-3-1' onclick='mtq_button_click(75,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-75-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 75, Choice 3'>C<\/div><div id='mtq_marker-75-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-75-3-1' class='mtq_answer_text'>Gamma rays<\/div><\/td><\/tr><tr id='mtq_row-75-4-1' onclick='mtq_button_click(75,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-75-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 75, Choice 4'>D<\/div><div id='mtq_marker-75-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-75-4-1' class='mtq_answer_text'>Alpha rays<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-76-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 76<\/div><div id='mtq_stamp-76-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-76-1' class='mtq_question_text'>If the delta G of a reaction is negative (-), the reaction will proceed to...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-76-1-1' onclick='mtq_button_click(76,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-76-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 76, Choice 1'>A<\/div><div id='mtq_marker-76-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-76-1-1' class='mtq_answer_text'>the reaction is at equilibrium (no change) <\/div><\/td><\/tr><tr id='mtq_row-76-2-1' onclick='mtq_button_click(76,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-76-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 76, Choice 2'>B<\/div><div id='mtq_marker-76-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-76-2-1' class='mtq_answer_text'>the reactants (left)<\/div><\/td><\/tr><tr id='mtq_row-76-3-1' onclick='mtq_button_click(76,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-76-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 76, Choice 3'>C<\/div><div id='mtq_marker-76-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-76-3-1' class='mtq_answer_text'>not enough data is provided to an answer.<\/div><\/td><\/tr><tr id='mtq_row-76-4-1' onclick='mtq_button_click(76,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-76-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 76, Choice 4'>D<\/div><div id='mtq_marker-76-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-76-4-1' class='mtq_answer_text'>the products (right)<\/div><div id='mtq_hint-76-4-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>and E= negative as well<\/div><\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-76-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 76 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> This is because when calculation delta G, by convention we use products - reactants. A reaction will always move to the lowest Gibbs Free Energy state. Therefor the reaction will proceed to the right since the G for products are lower than G for reactants.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-77-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 77<\/div><div id='mtq_stamp-77-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-77-1' class='mtq_question_text'>What is a radiogenic isotopes?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-77-1-1' onclick='mtq_button_click(77,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-77-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 77, Choice 1'>A<\/div><div id='mtq_marker-77-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-77-1-1' class='mtq_answer_text'>They are produced by a radioactive decay.<\/div><\/td><\/tr><tr id='mtq_row-77-2-1' onclick='mtq_button_click(77,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-77-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 77, Choice 2'>B<\/div><div id='mtq_marker-77-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-77-2-1' class='mtq_answer_text'>They are the parent isotope, which are not produced by radioactive decay.<\/div><\/td><\/tr><tr id='mtq_row-77-3-1' onclick='mtq_button_click(77,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-77-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 77, Choice 3'>C<\/div><div id='mtq_marker-77-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-77-3-1' class='mtq_answer_text'>They are a by product of radioactive decay known as alpha particles.<\/div><\/td><\/tr><tr id='mtq_row-77-4-1' onclick='mtq_button_click(77,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-77-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 77, Choice 4'>D<\/div><div id='mtq_marker-77-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-77-4-1' class='mtq_answer_text'>They are a by product of radioactive decay known as beta particles.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-78-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 78<\/div><div id='mtq_stamp-78-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-78-1' class='mtq_question_text'>Redox reactions are balanced using half reactions based on...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-78-1-1' onclick='mtq_button_click(78,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-78-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 78, Choice 1'>A<\/div><div id='mtq_marker-78-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-78-1-1' class='mtq_answer_text'>the number of electrons transfer<\/div><div id='mtq_hint-78-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>yes, this is aka charge balancing and use half reactions<\/div><\/div><\/td><\/tr><tr id='mtq_row-78-2-1' onclick='mtq_button_click(78,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-78-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 78, Choice 2'>B<\/div><div id='mtq_marker-78-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-78-2-1' class='mtq_answer_text'>I have no idea<\/div><\/td><\/tr><tr id='mtq_row-78-3-1' onclick='mtq_button_click(78,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-78-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 78, Choice 3'>C<\/div><div id='mtq_marker-78-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-78-3-1' class='mtq_answer_text'>the number of atoms<\/div><\/td><\/tr><tr id='mtq_row-78-4-1' onclick='mtq_button_click(78,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-78-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 78, Choice 4'>D<\/div><div id='mtq_marker-78-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-78-4-1' class='mtq_answer_text'>the number of elements<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-79-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 79<\/div><div id='mtq_stamp-79-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-79-1' class='mtq_question_text'>The elements before Fe undergo__A__ and elements after Fe undergo__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-79-1-1' onclick='mtq_button_click(79,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-79-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 79, Choice 1'>A<\/div><div id='mtq_marker-79-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-79-1-1' class='mtq_answer_text'>A. fission<br>\r\nB. fusion<\/div><\/td><\/tr><tr id='mtq_row-79-2-1' onclick='mtq_button_click(79,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-79-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 79, Choice 2'>B<\/div><div id='mtq_marker-79-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-79-2-1' class='mtq_answer_text'>A. fusion<br>\r\nB. fusion<\/div><\/td><\/tr><tr id='mtq_row-79-3-1' onclick='mtq_button_click(79,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-79-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 79, Choice 3'>C<\/div><div id='mtq_marker-79-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-79-3-1' class='mtq_answer_text'>A. fission<br>\r\nB. fission<\/div><\/td><\/tr><tr id='mtq_row-79-4-1' onclick='mtq_button_click(79,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-79-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 79, Choice 4'>D<\/div><div id='mtq_marker-79-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-79-4-1' class='mtq_answer_text'>A. fusion<br>\r\nB. fission<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-80-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 80<\/div><div id='mtq_stamp-80-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-80-1' class='mtq_question_text'>What are Regmaglypts?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-80-1-1' onclick='mtq_button_click(80,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-80-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 80, Choice 1'>A<\/div><div id='mtq_marker-80-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-80-1-1' class='mtq_answer_text'>The ablation pits on the surface of meteorites where the material has been removed due to friction during transport through the solar system.<\/div><\/td><\/tr><tr id='mtq_row-80-2-1' onclick='mtq_button_click(80,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-80-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 80, Choice 2'>B<\/div><div id='mtq_marker-80-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-80-2-1' class='mtq_answer_text'>Void space created by removal of CAI-Refractory inclusions in chondrites.<\/div><\/td><\/tr><tr id='mtq_row-80-3-1' onclick='mtq_button_click(80,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-80-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 80, Choice 3'>C<\/div><div id='mtq_marker-80-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-80-3-1' class='mtq_answer_text'>The ablation pits on the surface of meteorites where the material has been removed due to friction during transport through the atmosphere.<\/div><\/td><\/tr><tr id='mtq_row-80-4-1' onclick='mtq_button_click(80,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-80-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 80, Choice 4'>D<\/div><div id='mtq_marker-80-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-80-4-1' class='mtq_answer_text'>Imperfections generated by chemical reactions in the meteorites.<\/div><\/td><\/tr><tr id='mtq_row-80-5-1' onclick='mtq_button_click(80,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-80-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 80, Choice 5'>E<\/div><div id='mtq_marker-80-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-80-5-1' class='mtq_answer_text'>Imperfections generated by chemical reactions in the igneous rocks due to flash melting.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-81-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 81<\/div><div id='mtq_stamp-81-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-81-1' class='mtq_question_text'>Chondrules are formed in chondrites as a result of...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-81-1-1' onclick='mtq_button_click(81,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-81-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 81, Choice 1'>A<\/div><div id='mtq_marker-81-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-81-1-1' class='mtq_answer_text'>slow melting<\/div><\/td><\/tr><tr id='mtq_row-81-2-1' onclick='mtq_button_click(81,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-81-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 81, Choice 2'>B<\/div><div id='mtq_marker-81-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-81-2-1' class='mtq_answer_text'>impurities during formation<\/div><\/td><\/tr><tr id='mtq_row-81-3-1' onclick='mtq_button_click(81,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-81-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 81, Choice 3'>C<\/div><div id='mtq_marker-81-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-81-3-1' class='mtq_answer_text'>collisions between meteorites<\/div><\/td><\/tr><tr id='mtq_row-81-4-1' onclick='mtq_button_click(81,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-81-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 81, Choice 4'>D<\/div><div id='mtq_marker-81-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-81-4-1' class='mtq_answer_text'>flash melting<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-81-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 81 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> spheroidal ultramafic melt droplets around mm in variation of size.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-82-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 82<\/div><div id='mtq_stamp-82-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-82-1' class='mtq_question_text'>What is Gibbs Free Energy?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-82-1-1' onclick='mtq_button_click(82,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-82-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 82, Choice 1'>A<\/div><div id='mtq_marker-82-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-82-1-1' class='mtq_answer_text'>Is a non-state function that consider both entropy and enthalpy of compounds.<\/div><\/td><\/tr><tr id='mtq_row-82-2-1' onclick='mtq_button_click(82,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-82-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 82, Choice 2'>B<\/div><div id='mtq_marker-82-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-82-2-1' class='mtq_answer_text'>A function that consider both entropy and enthalpy of compounds.<\/div><\/td><\/tr><tr id='mtq_row-82-3-1' onclick='mtq_button_click(82,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-82-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 82, Choice 3'>C<\/div><div id='mtq_marker-82-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-82-3-1' class='mtq_answer_text'>Is a non-state function depend on the path of the system.<\/div><\/td><\/tr><tr id='mtq_row-82-4-1' onclick='mtq_button_click(82,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-82-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 82, Choice 4'>D<\/div><div id='mtq_marker-82-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-82-4-1' class='mtq_answer_text'>Is the energy it takes to burn a one mole of a given compound.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-82-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 82 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> ...and is a sate function independent of the path of the system. G is also a measure if stability of compounds.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-83-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 83<\/div><div id='mtq_stamp-83-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-83-1' class='mtq_question_text'>Stony meteorites in igneous meteorites are<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-83-1-1' onclick='mtq_button_click(83,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-83-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 83, Choice 1'>A<\/div><div id='mtq_marker-83-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-83-1-1' class='mtq_answer_text'>lvuna<\/div><\/td><\/tr><tr id='mtq_row-83-2-1' onclick='mtq_button_click(83,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-83-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 83, Choice 2'>B<\/div><div id='mtq_marker-83-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-83-2-1' class='mtq_answer_text'>anchondrites<\/div><\/td><\/tr><tr id='mtq_row-83-3-1' onclick='mtq_button_click(83,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-83-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 83, Choice 3'>C<\/div><div id='mtq_marker-83-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-83-3-1' class='mtq_answer_text'>carbonaceous<\/div><\/td><\/tr><tr id='mtq_row-83-4-1' onclick='mtq_button_click(83,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-83-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 83, Choice 4'>D<\/div><div id='mtq_marker-83-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-83-4-1' class='mtq_answer_text'>I have no idea what the hell this question is asking<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-84-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 84<\/div><div id='mtq_stamp-84-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-84-1' class='mtq_question_text'>What is coordination number?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-84-1-1' onclick='mtq_button_click(84,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-84-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 84, Choice 1'>A<\/div><div id='mtq_marker-84-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-84-1-1' class='mtq_answer_text'>The number of times at atom undergo nucleosynthesis.<\/div><\/td><\/tr><tr id='mtq_row-84-2-1' onclick='mtq_button_click(84,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-84-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 84, Choice 2'>B<\/div><div id='mtq_marker-84-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-84-2-1' class='mtq_answer_text'>The number of oppositely charged ions that closely surround a given ion in a crystal structure.<\/div><\/td><\/tr><tr id='mtq_row-84-3-1' onclick='mtq_button_click(84,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-84-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 84, Choice 3'>C<\/div><div id='mtq_marker-84-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-84-3-1' class='mtq_answer_text'>The number of electrons that shares between one or more atoms.<\/div><\/td><\/tr><tr id='mtq_row-84-4-1' onclick='mtq_button_click(84,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-84-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 84, Choice 4'>D<\/div><div id='mtq_marker-84-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-84-4-1' class='mtq_answer_text'>The number of ions that closely surround an atom.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-84-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 84 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> In minerals mostly anions surrounded by cations.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-85-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 85<\/div><div id='mtq_stamp-85-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-85-1' class='mtq_question_text'>This mineral is used as the \"Gold Standard\" for assigning dates to many types of rocks and geologic events.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-85-1-1' onclick='mtq_button_click(85,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-85-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 85, Choice 1'>A<\/div><div id='mtq_marker-85-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-85-1-1' class='mtq_answer_text'>Troilite (FeS)<\/div><\/td><\/tr><tr id='mtq_row-85-2-1' onclick='mtq_button_click(85,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-85-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 85, Choice 2'>B<\/div><div id='mtq_marker-85-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-85-2-1' class='mtq_answer_text'>Uranium (U)<\/div><\/td><\/tr><tr id='mtq_row-85-3-1' onclick='mtq_button_click(85,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-85-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 85, Choice 3'>C<\/div><div id='mtq_marker-85-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-85-3-1' class='mtq_answer_text'>Zircon (ZrSiO4)<\/div><\/td><\/tr><tr id='mtq_row-85-4-1' onclick='mtq_button_click(85,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-85-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 85, Choice 4'>D<\/div><div id='mtq_marker-85-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-85-4-1' class='mtq_answer_text'>Pyrite (FeS2)<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-85-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 85 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Zircon is a very hard(~7.5) common accessory mineral found in igneous and metamorphic rocks. It can survive erosion events and has a very high closure temperature for Pb diffusion.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-86-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 86<\/div><div id='mtq_stamp-86-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-86-1' class='mtq_question_text'>In stable isotope geochemistry, two standards used for oxygen are...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-86-1-1' onclick='mtq_button_click(86,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-86-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 86, Choice 1'>A<\/div><div id='mtq_marker-86-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-86-1-1' class='mtq_answer_text'>SMOW (Standard Mean Ocean Water) and<br>\r\nCDT, Canyon Diablo Troilite(FeS)<\/div><\/td><\/tr><tr id='mtq_row-86-2-1' onclick='mtq_button_click(86,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-86-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 86, Choice 2'>B<\/div><div id='mtq_marker-86-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-86-2-1' class='mtq_answer_text'>SSOW (Standard Snow Ocean Water) and<br>\r\nPDB (Peedee formation beleminite S.C.)<\/div><\/td><\/tr><tr id='mtq_row-86-3-1' onclick='mtq_button_click(86,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-86-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 86, Choice 3'>C<\/div><div id='mtq_marker-86-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-86-3-1' class='mtq_answer_text'>SMOW (Standard Mean Ocean Water) and<br>\r\nPDB (Peedee formation beleminite S.C.)<\/div><\/td><\/tr><tr id='mtq_row-86-4-1' onclick='mtq_button_click(86,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-86-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 86, Choice 4'>D<\/div><div id='mtq_marker-86-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-86-4-1' class='mtq_answer_text'>PDB (Peedee formation beleminite S.C.) and<br>\r\nCDT, Canyon Diablo Troilite(FeS)<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-87-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 87<\/div><div id='mtq_stamp-87-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-87-1' class='mtq_question_text'>The first stage of nucleosynthesis occurred 3 min after the Big Bang. The very fist elements to form was...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-87-1-1' onclick='mtq_button_click(87,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-87-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 87, Choice 1'>A<\/div><div id='mtq_marker-87-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-87-1-1' class='mtq_answer_text'>H, He, Li and Be<\/div><\/td><\/tr><tr id='mtq_row-87-2-1' onclick='mtq_button_click(87,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-87-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 87, Choice 2'>B<\/div><div id='mtq_marker-87-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-87-2-1' class='mtq_answer_text'>First two Periods of the Periodic Table of Elements<\/div><\/td><\/tr><tr id='mtq_row-87-3-1' onclick='mtq_button_click(87,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-87-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 87, Choice 3'>C<\/div><div id='mtq_marker-87-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-87-3-1' class='mtq_answer_text'>H, He, Li, Be, B and Ar<\/div><\/td><\/tr><tr id='mtq_row-87-4-1' onclick='mtq_button_click(87,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-87-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 87, Choice 4'>D<\/div><div id='mtq_marker-87-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-87-4-1' class='mtq_answer_text'>H and He and minor amount of Li and Be<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-88-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 88<\/div><div id='mtq_stamp-88-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-88-1' class='mtq_question_text'>What is a Quark Soup?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-88-1-1' onclick='mtq_button_click(88,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-88-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 88, Choice 1'>A<\/div><div id='mtq_marker-88-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-88-1-1' class='mtq_answer_text'>Mixture that makes up the bulk silicate Earth right after the core was formed<\/div><\/td><\/tr><tr id='mtq_row-88-2-1' onclick='mtq_button_click(88,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-88-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 88, Choice 2'>B<\/div><div id='mtq_marker-88-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-88-2-1' class='mtq_answer_text'>No matter existed, but there was plasma, which is known as \"Quark Soup\" right after the Big Bang<\/div><\/td><\/tr><tr id='mtq_row-88-3-1' onclick='mtq_button_click(88,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-88-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 88, Choice 3'>C<\/div><div id='mtq_marker-88-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-88-3-1' class='mtq_answer_text'>Mixture of elements in stars that collides with each other to form chemical compounds right after the Big Bang<\/div><\/td><\/tr><tr id='mtq_row-88-4-1' onclick='mtq_button_click(88,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-88-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 88, Choice 4'>D<\/div><div id='mtq_marker-88-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-88-4-1' class='mtq_answer_text'>Mixture of all elements when the Earth was molten and has not under gone differentiation<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-89-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 89<\/div><div id='mtq_stamp-89-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-89-1' class='mtq_question_text'>If an isotopic system has reached secular equilibrium, the decay period is controlled by...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-89-1-1' onclick='mtq_button_click(89,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-89-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 89, Choice 1'>A<\/div><div id='mtq_marker-89-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-89-1-1' class='mtq_answer_text'>the intermediate decay step of the system.<\/div><\/td><\/tr><tr id='mtq_row-89-2-1' onclick='mtq_button_click(89,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-89-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 89, Choice 2'>B<\/div><div id='mtq_marker-89-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-89-2-1' class='mtq_answer_text'>all the decay steps of the system.<\/div><\/td><\/tr><tr id='mtq_row-89-3-1' onclick='mtq_button_click(89,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-89-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 89, Choice 3'>C<\/div><div id='mtq_marker-89-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-89-3-1' class='mtq_answer_text'>the final decay step of the system.<\/div><\/td><\/tr><tr id='mtq_row-89-4-1' onclick='mtq_button_click(89,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-89-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 89, Choice 4'>D<\/div><div id='mtq_marker-89-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-89-4-1' class='mtq_answer_text'>the initial decay step of the system.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-89-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 89 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> After secular equilibrium is reached, the initial decay step dictates the rate of decay determines the speed of the process. U-238 to Pb-206 for example has an half life of about 4.5 bill yr. This half life is based on the initial step which is U-238 to Th-234.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-90-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 90<\/div><div id='mtq_stamp-90-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-90-1' class='mtq_question_text'>In Di = W<sub>A<\/sub>Kdi<sup>A<\/sup>, if the Di > 1 then the mineral is<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-90-1-1' onclick='mtq_button_click(90,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-90-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 90, Choice 1'>A<\/div><div id='mtq_marker-90-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-90-1-1' class='mtq_answer_text'>compatible (solid favored; preferentially petition into the mineral)<\/div><\/td><\/tr><tr id='mtq_row-90-2-1' onclick='mtq_button_click(90,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-90-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 90, Choice 2'>B<\/div><div id='mtq_marker-90-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-90-2-1' class='mtq_answer_text'>incompatible (solid favored; preferentially petition into the mineral)<\/div><\/td><\/tr><tr id='mtq_row-90-3-1' onclick='mtq_button_click(90,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-90-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 90, Choice 3'>C<\/div><div id='mtq_marker-90-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-90-3-1' class='mtq_answer_text'>incompatible (liquid favored; preferentially petition into the melt)<\/div><\/td><\/tr><tr id='mtq_row-90-4-1' onclick='mtq_button_click(90,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-90-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 90, Choice 4'>D<\/div><div id='mtq_marker-90-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-90-4-1' class='mtq_answer_text'>compatible (liquid favored; preferentially petition into the melt)<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-91-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 91<\/div><div id='mtq_stamp-91-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-91-1' class='mtq_question_text'>Which type of metamorphism is the most common?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-91-1-1' onclick='mtq_button_click(91,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-91-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 91, Choice 1'>A<\/div><div id='mtq_marker-91-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-91-1-1' class='mtq_answer_text'>Retrograde<\/div><\/td><\/tr><tr id='mtq_row-91-2-1' onclick='mtq_button_click(91,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-91-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 91, Choice 2'>B<\/div><div id='mtq_marker-91-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-91-2-1' class='mtq_answer_text'>Prograde<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-92-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 92<\/div><div id='mtq_stamp-92-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-92-1' class='mtq_question_text'>Two advantages of using U-Pb concordia method to analyze data.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-92-1-1' onclick='mtq_button_click(92,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-92-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 92, Choice 1'>A<\/div><div id='mtq_marker-92-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-92-1-1' class='mtq_answer_text'>Accuracy of data obtained from U-Pb decay is more precise than that of other isotopic systems.<\/div><\/td><\/tr><tr id='mtq_row-92-2-1' onclick='mtq_button_click(92,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-92-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 92, Choice 2'>B<\/div><div id='mtq_marker-92-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-92-2-1' class='mtq_answer_text'>Pb-U are commonly found in almost all types of system in the geological field.<\/div><\/td><\/tr><tr id='mtq_row-92-3-1' onclick='mtq_button_click(92,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-92-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 92, Choice 3'>C<\/div><div id='mtq_marker-92-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-92-3-1' class='mtq_answer_text'>Valid geochronological data can be obtained even if the system behaved as an open system.<\/div><\/td><\/tr><tr id='mtq_row-92-4-1' onclick='mtq_button_click(92,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-92-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 92, Choice 4'>D<\/div><div id='mtq_marker-92-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-92-4-1' class='mtq_answer_text'>Two isotopic decay systems to check the validity and data accuracy of the system.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-93-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 93<\/div><div id='mtq_stamp-93-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-93-1' class='mtq_question_text'>____is the areas that contains highly refractory minerals in Chondrites.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-93-1-1' onclick='mtq_button_click(93,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-93-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 93, Choice 1'>A<\/div><div id='mtq_marker-93-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-93-1-1' class='mtq_answer_text'>CAI-inclusions containing ultra-mafic droplets of melt caused by flash melting<\/div><\/td><\/tr><tr id='mtq_row-93-2-1' onclick='mtq_button_click(93,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-93-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 93, Choice 2'>B<\/div><div id='mtq_marker-93-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-93-2-1' class='mtq_answer_text'>CAI-inclusions containing Calcium-Aluminum rich minerals<\/div><\/td><\/tr><tr id='mtq_row-93-3-1' onclick='mtq_button_click(93,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-93-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 93, Choice 3'>C<\/div><div id='mtq_marker-93-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-93-3-1' class='mtq_answer_text'>CAI-inclusions containing Calcium-Argon-Iridium rich minerals<\/div><\/td><\/tr><tr id='mtq_row-93-4-1' onclick='mtq_button_click(93,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-93-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 93, Choice 4'>D<\/div><div id='mtq_marker-93-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-93-4-1' class='mtq_answer_text'>Chrondrules containing ultra-mafic droplets of melt caused by flash melting<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-94-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 94<\/div><div id='mtq_stamp-94-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-94-1' class='mtq_question_text'>H<sub>2(g)<\/sub> --> H<sup>+<\/sup> + e<sup>-<\/sup> this cell is well known as;<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-94-1-1' onclick='mtq_button_click(94,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-94-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 94, Choice 1'>A<\/div><div id='mtq_marker-94-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-94-1-1' class='mtq_answer_text'>Standard Hydrogen Electrode<\/div><\/td><\/tr><tr id='mtq_row-94-2-1' onclick='mtq_button_click(94,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-94-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 94, Choice 2'>B<\/div><div id='mtq_marker-94-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-94-2-1' class='mtq_answer_text'>Uranium cell<\/div><\/td><\/tr><tr id='mtq_row-94-3-1' onclick='mtq_button_click(94,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-94-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 94, Choice 3'>C<\/div><div id='mtq_marker-94-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-94-3-1' class='mtq_answer_text'>Standard Cell<\/div><\/td><\/tr><tr id='mtq_row-94-4-1' onclick='mtq_button_click(94,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-94-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 94, Choice 4'>D<\/div><div id='mtq_marker-94-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-94-4-1' class='mtq_answer_text'>Universal Cell<\/div><\/td><\/tr><tr id='mtq_row-94-5-1' onclick='mtq_button_click(94,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-94-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 94, Choice 5'>E<\/div><div id='mtq_marker-94-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-94-5-1' class='mtq_answer_text'>Electrochemical Cell<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-95-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 95<\/div><div id='mtq_stamp-95-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-95-1' class='mtq_question_text'>On Harker Diagrams, the dramatic changes in slope, \"kinks\" are caused by,<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-95-1-1' onclick='mtq_button_click(95,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-95-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 95, Choice 1'>A<\/div><div id='mtq_marker-95-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-95-1-1' class='mtq_answer_text'>sudden increase in the rate of crystallization process.<\/div><\/td><\/tr><tr id='mtq_row-95-2-1' onclick='mtq_button_click(95,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-95-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 95, Choice 2'>B<\/div><div id='mtq_marker-95-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-95-2-1' class='mtq_answer_text'>new minerals joining the crystallization process.<\/div><\/td><\/tr><tr id='mtq_row-95-3-1' onclick='mtq_button_click(95,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-95-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 95, Choice 3'>C<\/div><div id='mtq_marker-95-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-95-3-1' class='mtq_answer_text'>removal of minerals from the crystallization process.<\/div><\/td><\/tr><tr id='mtq_row-95-4-1' onclick='mtq_button_click(95,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-95-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 95, Choice 4'>D<\/div><div id='mtq_marker-95-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-95-4-1' class='mtq_answer_text'>sudden decrease in the rate of crystallization process.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-95-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 95 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> example would be formation of plagioclase causing a drop in Na and Ca concentrations<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-96-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 96<\/div><div id='mtq_stamp-96-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-96-1' class='mtq_question_text'>At the beginning, these nucleosynthesis processes produced elements up to Fe.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-96-1-1' onclick='mtq_button_click(96,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-96-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 96, Choice 1'>A<\/div><div id='mtq_marker-96-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-96-1-1' class='mtq_answer_text'>Big Bag and Supernova<\/div><\/td><\/tr><tr id='mtq_row-96-2-1' onclick='mtq_button_click(96,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-96-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 96, Choice 2'>B<\/div><div id='mtq_marker-96-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-96-2-1' class='mtq_answer_text'>Stellar and Supernova<\/div><\/td><\/tr><tr id='mtq_row-96-3-1' onclick='mtq_button_click(96,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-96-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 96, Choice 3'>C<\/div><div id='mtq_marker-96-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-96-3-1' class='mtq_answer_text'>Big Bag and Stellar<\/div><\/td><\/tr><tr id='mtq_row-96-4-1' onclick='mtq_button_click(96,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-96-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 96, Choice 4'>D<\/div><div id='mtq_marker-96-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-96-4-1' class='mtq_answer_text'>Big Bag, Stellar and Supernova<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-97-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 97<\/div><div id='mtq_stamp-97-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-97-1' class='mtq_question_text'>These elements form 98% of the entire Solar System.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-97-1-1' onclick='mtq_button_click(97,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-97-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 97, Choice 1'>A<\/div><div id='mtq_marker-97-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-97-1-1' class='mtq_answer_text'>H and He because it was formed in the Sun.<\/div><\/td><\/tr><tr id='mtq_row-97-2-1' onclick='mtq_button_click(97,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-97-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 97, Choice 2'>B<\/div><div id='mtq_marker-97-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-97-2-1' class='mtq_answer_text'>H, He, Li and Be because it was formed in the BBN.<\/div><\/td><\/tr><tr id='mtq_row-97-3-1' onclick='mtq_button_click(97,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-97-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 97, Choice 3'>C<\/div><div id='mtq_marker-97-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-97-3-1' class='mtq_answer_text'>C, N and O it was formed in the Sun.<\/div><\/td><\/tr><tr id='mtq_row-97-4-1' onclick='mtq_button_click(97,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-97-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 97, Choice 4'>D<\/div><div id='mtq_marker-97-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-97-4-1' class='mtq_answer_text'>H and He because it was formed in BBN.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-98-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 98<\/div><div id='mtq_stamp-98-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-98-1' class='mtq_question_text'>Rare Earth Elements(REEs) are __A__ and are __B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-98-1-1' onclick='mtq_button_click(98,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-98-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 98, Choice 1'>A<\/div><div id='mtq_marker-98-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-98-1-1' class='mtq_answer_text'>A. Large Ion Lithophile Elements(LILE)<br>\r\nB. poor petrogenetic indicators.<\/div><\/td><\/tr><tr id='mtq_row-98-2-1' onclick='mtq_button_click(98,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-98-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 98, Choice 2'>B<\/div><div id='mtq_marker-98-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-98-2-1' class='mtq_answer_text'>A. High Field Strength Elements(HFSE)<br>\r\nB. poor petrogenetic indicators.<\/div><\/td><\/tr><tr id='mtq_row-98-3-1' onclick='mtq_button_click(98,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-98-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 98, Choice 3'>C<\/div><div id='mtq_marker-98-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-98-3-1' class='mtq_answer_text'>A. Large Ion Lithophile Elements(LILE)<br>\r\nB. excellent petrogenetic indicators.<\/div><\/td><\/tr><tr id='mtq_row-98-4-1' onclick='mtq_button_click(98,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-98-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 98, Choice 4'>D<\/div><div id='mtq_marker-98-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-98-4-1' class='mtq_answer_text'>A. High Field Strength Elements(HFSE)<br>\r\nB. excellent petrogenetic indicators.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-98-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 98 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> They are; La, Ce, Pr, Nd, (Pm), Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu.<br>\r\nThey are also incompatible except in specific minerals and insensitive to weathering.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-99-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 99<\/div><div id='mtq_stamp-99-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-99-1' class='mtq_question_text'>What is r-process?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-99-1-1' onclick='mtq_button_click(99,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-99-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 99, Choice 1'>A<\/div><div id='mtq_marker-99-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-99-1-1' class='mtq_answer_text'>A type of neutron capture process that occurs at slow rates. The addition of multiple neutrons occur before radioactive decay.<\/div><\/td><\/tr><tr id='mtq_row-99-2-1' onclick='mtq_button_click(99,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-99-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 99, Choice 2'>B<\/div><div id='mtq_marker-99-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-99-2-1' class='mtq_answer_text'>A type of neutron capture process that occurs at fast rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><tr id='mtq_row-99-3-1' onclick='mtq_button_click(99,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-99-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 99, Choice 3'>C<\/div><div id='mtq_marker-99-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-99-3-1' class='mtq_answer_text'>A type of neutron capture process that occurs at slow rates. The addition of neutron is followed by radioactive decay before another neutron is added.<\/div><\/td><\/tr><tr id='mtq_row-99-4-1' onclick='mtq_button_click(99,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-99-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 99, Choice 4'>D<\/div><div id='mtq_marker-99-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-99-4-1' class='mtq_answer_text'>A type of neutron capture process where addition of protons to pre-existing nucleotides occur. This produce nuclides that cannot be produced by other processes.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-100-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 100<\/div><div id='mtq_stamp-100-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-100-1' class='mtq_question_text'>The two elements usually not found in nature due to their high radioactivity.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-100-1-1' onclick='mtq_button_click(100,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-100-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 100, Choice 1'>A<\/div><div id='mtq_marker-100-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-100-1-1' class='mtq_answer_text'>Pm and Os<\/div><\/td><\/tr><tr id='mtq_row-100-2-1' onclick='mtq_button_click(100,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-100-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 100, Choice 2'>B<\/div><div id='mtq_marker-100-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-100-2-1' class='mtq_answer_text'>U and Tc<\/div><\/td><\/tr><tr id='mtq_row-100-3-1' onclick='mtq_button_click(100,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-100-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 100, Choice 3'>C<\/div><div id='mtq_marker-100-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-100-3-1' class='mtq_answer_text'>Tc and Pm<\/div><\/td><\/tr><tr id='mtq_row-100-4-1' onclick='mtq_button_click(100,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-100-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 100, Choice 4'>D<\/div><div id='mtq_marker-100-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-100-4-1' class='mtq_answer_text'>Os and Tc<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-101-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 101<\/div><div id='mtq_stamp-101-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-101-1' class='mtq_question_text'>Large Ion Lithophile Elements(LILE) have these characteristics. (choose all correct answers)<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-101-1-1' onclick='mtq_button_click(101,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-101-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 101, Choice 1'>A<\/div><div id='mtq_marker-101-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-101-1-1' class='mtq_answer_text'>Fluid mobile and tend to be incompatible.<\/div><\/td><\/tr><tr id='mtq_row-101-2-1' onclick='mtq_button_click(101,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-101-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 101, Choice 2'>B<\/div><div id='mtq_marker-101-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-101-2-1' class='mtq_answer_text'>Large atoms with large charge.<\/div><\/td><\/tr><tr id='mtq_row-101-3-1' onclick='mtq_button_click(101,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-101-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 101, Choice 3'>C<\/div><div id='mtq_marker-101-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-101-3-1' class='mtq_answer_text'>Fluid immobile and tend to be more compatible.<\/div><\/td><\/tr><tr id='mtq_row-101-4-1' onclick='mtq_button_click(101,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-101-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 101, Choice 4'>D<\/div><div id='mtq_marker-101-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-101-4-1' class='mtq_answer_text'>Good petrogenetic indicators.<\/div><\/td><\/tr><tr id='mtq_row-101-5-1' onclick='mtq_button_click(101,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-101-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 101, Choice 5'>E<\/div><div id='mtq_marker-101-5-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-101-5-1' class='mtq_answer_text'>Large atoms with small charge.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-101-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 101 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> High Field Strength Elements(HFSE) are petrogenetic indicators because they are small atoms with high charge and are fluid immobile.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-102-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 102<\/div><div id='mtq_stamp-102-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-102-1' class='mtq_question_text'>Two types of atomic stabilities are based on...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-102-1-1' onclick='mtq_button_click(102,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-102-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 102, Choice 1'>A<\/div><div id='mtq_marker-102-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-102-1-1' class='mtq_answer_text'>geochemical stability and chemical stability<\/div><\/td><\/tr><tr id='mtq_row-102-2-1' onclick='mtq_button_click(102,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-102-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 102, Choice 2'>B<\/div><div id='mtq_marker-102-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-102-2-1' class='mtq_answer_text'>nuclear stability and atomic stability<\/div><\/td><\/tr><tr id='mtq_row-102-3-1' onclick='mtq_button_click(102,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-102-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 102, Choice 3'>C<\/div><div id='mtq_marker-102-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-102-3-1' class='mtq_answer_text'>I have no clue<\/div><\/td><\/tr><tr id='mtq_row-102-4-1' onclick='mtq_button_click(102,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-102-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 102, Choice 4'>D<\/div><div id='mtq_marker-102-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-102-4-1' class='mtq_answer_text'>nuclear stability and geochemical stability<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-103-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 103<\/div><div id='mtq_stamp-103-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-103-1' class='mtq_question_text'>In what form uranium is found in roll front deposits?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-103-1-1' onclick='mtq_button_click(103,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-103-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 103, Choice 1'>A<\/div><div id='mtq_marker-103-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-103-1-1' class='mtq_answer_text'>4+ charge form because it is mobile<\/div><\/td><\/tr><tr id='mtq_row-103-2-1' onclick='mtq_button_click(103,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-103-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 103, Choice 2'>B<\/div><div id='mtq_marker-103-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-103-2-1' class='mtq_answer_text'>6+ charge form because it is mobile<\/div><\/td><\/tr><tr id='mtq_row-103-3-1' onclick='mtq_button_click(103,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-103-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 103, Choice 3'>C<\/div><div id='mtq_marker-103-3-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-103-3-1' class='mtq_answer_text'>4+ charge form because it is immobile<\/div><\/td><\/tr><tr id='mtq_row-103-4-1' onclick='mtq_button_click(103,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-103-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 103, Choice 4'>D<\/div><div id='mtq_marker-103-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-103-4-1' class='mtq_answer_text'>6+ charge form because it is immobile<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-103-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 103 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Deposit in 4+ charge, but when it makes contact with oxidizing solutions, U 4+ is converted to U 6+, which is mobile causing environmental problems due to U 6+ leakage.<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-104-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 104<\/div><div id='mtq_stamp-104-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-104-1' class='mtq_question_text'>In classification system of meteorites, the groups denotes....<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-104-1-1' onclick='mtq_button_click(104,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-104-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 104, Choice 1'>A<\/div><div id='mtq_marker-104-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-104-1-1' class='mtq_answer_text'>meteorites from similar parent bodies.<\/div><\/td><\/tr><tr id='mtq_row-104-2-1' onclick='mtq_button_click(104,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-104-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 104, Choice 2'>B<\/div><div id='mtq_marker-104-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-104-2-1' class='mtq_answer_text'>meteorites from with single dominant mineral.<\/div><\/td><\/tr><tr id='mtq_row-104-3-1' onclick='mtq_button_click(104,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-104-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 104, Choice 3'>C<\/div><div id='mtq_marker-104-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-104-3-1' class='mtq_answer_text'>meteorites from similar chemical compositions.<\/div><\/td><\/tr><tr id='mtq_row-104-4-1' onclick='mtq_button_click(104,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-104-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 104, Choice 4'>D<\/div><div id='mtq_marker-104-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-104-4-1' class='mtq_answer_text'>meteorites from exact same properties.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-105-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 105<\/div><div id='mtq_stamp-105-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-105-1' class='mtq_question_text'>Coupled substitution involves...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-105-1-1' onclick='mtq_button_click(105,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-105-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 105, Choice 1'>A<\/div><div id='mtq_marker-105-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-105-1-1' class='mtq_answer_text'>ions substitutes into interstitial spaces between anions in a crystal structure.<\/div><div id='mtq_hint-105-1-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>No, this is interstitial substitution<\/div><\/div><\/td><\/tr><tr id='mtq_row-105-2-1' onclick='mtq_button_click(105,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-105-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 105, Choice 2'>B<\/div><div id='mtq_marker-105-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-105-2-1' class='mtq_answer_text'>ions with similar charges, but dissimilar sizes substituting to each other. Will undergo additional substitutions.<\/div><\/td><\/tr><tr id='mtq_row-105-3-1' onclick='mtq_button_click(105,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-105-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 105, Choice 3'>C<\/div><div id='mtq_marker-105-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-105-3-1' class='mtq_answer_text'>ions with similar charge and size.<\/div><div id='mtq_hint-105-3-1' class='mtq_hint'><div class='mtq_hint_label'>Hint: <\/div><div class='mtq_hint_text'>No, this is simple substitution<\/div><\/div><\/td><\/tr><tr id='mtq_row-105-4-1' onclick='mtq_button_click(105,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-105-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 105, Choice 4'>D<\/div><div id='mtq_marker-105-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-105-4-1' class='mtq_answer_text'>ions with similar sizes, but dissimilar charges substituting to each other. Will undergo additional substitutions.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-106-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 106<\/div><div id='mtq_stamp-106-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-106-1' class='mtq_question_text'>What part of the Earth diamonds are formed?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-106-1-1' onclick='mtq_button_click(106,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-106-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 106, Choice 1'>A<\/div><div id='mtq_marker-106-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-106-1-1' class='mtq_answer_text'>Colder part of the lithosphere at depths around 150 km<\/div><\/td><\/tr><tr id='mtq_row-106-2-1' onclick='mtq_button_click(106,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-106-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 106, Choice 2'>B<\/div><div id='mtq_marker-106-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-106-2-1' class='mtq_answer_text'>Warmer part of the lithosphere at depths around 1500 km<\/div><\/td><\/tr><tr id='mtq_row-106-3-1' onclick='mtq_button_click(106,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-106-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 106, Choice 3'>C<\/div><div id='mtq_marker-106-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-106-3-1' class='mtq_answer_text'>Colder part of the lithosphere at depths around 1000 km<\/div><\/td><\/tr><tr id='mtq_row-106-4-1' onclick='mtq_button_click(106,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-106-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 106, Choice 4'>D<\/div><div id='mtq_marker-106-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-106-4-1' class='mtq_answer_text'>Warmer part of the lithosphere at depths around 150 km<\/div><\/td><\/tr><tr id='mtq_row-106-5-1' onclick='mtq_button_click(106,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-106-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 106, Choice 5'>E<\/div><div id='mtq_marker-106-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-106-5-1' class='mtq_answer_text'>Warmer part of the lithosphere at depths around 1000 km<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-106-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 106 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Transported by kimberlite pipes bearing peridotite and eclogite rocks<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-107-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 107<\/div><div id='mtq_stamp-107-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-107-1' class='mtq_question_text'>Schreinemaker's Analysis(Rules) are used to create__A__ diagrams and no assemblage has a stability area__B__.<br>\r\n<img decoding=\"async\" src=\"http:\/\/sanuja.com\/blog\/wp-content\/uploads\/2012\/05\/generic_phase_diagram.jpg\" alt=\"\" title=\"generic_phase_diagram\" width=\"406\" height=\"376\" class=\"aligncenter size-full wp-image-1055\" srcset=\"https:\/\/sanuja.com\/blog\/wp-content\/uploads\/2012\/05\/generic_phase_diagram.jpg 406w, https:\/\/sanuja.com\/blog\/wp-content\/uploads\/2012\/05\/generic_phase_diagram-300x277.jpg 300w\" sizes=\"(max-width: 406px) 100vw, 406px\" \/><\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-107-1-1' onclick='mtq_button_click(107,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-107-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 107, Choice 1'>A<\/div><div id='mtq_marker-107-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-107-1-1' class='mtq_answer_text'>activity-activity<br>\r\n> 180 degrees<\/div><\/td><\/tr><tr id='mtq_row-107-2-1' onclick='mtq_button_click(107,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-107-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 107, Choice 2'>B<\/div><div id='mtq_marker-107-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-107-2-1' class='mtq_answer_text'>activity-activity<br>\r\n< 90 degrees<\/div><\/td><\/tr><tr id='mtq_row-107-3-1' onclick='mtq_button_click(107,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-107-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 107, Choice 3'>C<\/div><div id='mtq_marker-107-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-107-3-1' class='mtq_answer_text'>phase<br>\r\n> 90 degrees<\/div><\/td><\/tr><tr id='mtq_row-107-4-1' onclick='mtq_button_click(107,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-107-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 107, Choice 4'>D<\/div><div id='mtq_marker-107-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-107-4-1' class='mtq_answer_text'>phase<br>\r\n> 180 degrees<\/div><\/td><\/tr><tr id='mtq_row-107-5-1' onclick='mtq_button_click(107,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-107-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 107, Choice 5'>E<\/div><div id='mtq_marker-107-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-107-5-1' class='mtq_answer_text'>phase<br>\r\n< 180 degrees<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-107-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 107 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> -metastable extension of phase-absent reaction is recorded in the stability field of that phase.<br>\r\n-only stable parts of the reactions are shown in phase diagrams<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-108-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 108<\/div><div id='mtq_stamp-108-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-108-1' class='mtq_question_text'>Higher &delta;<sup>18<\/sup>O in carbonates sediments indicate__A__ and higher &delta;<sup>18<\/sup>O in ice core data indicate__B__.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-108-1-1' onclick='mtq_button_click(108,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-108-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 108, Choice 1'>A<\/div><div id='mtq_marker-108-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-108-1-1' class='mtq_answer_text'>A. warmer climate<br>\r\nB. warmer climate<\/div><\/td><\/tr><tr id='mtq_row-108-2-1' onclick='mtq_button_click(108,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-108-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 108, Choice 2'>B<\/div><div id='mtq_marker-108-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-108-2-1' class='mtq_answer_text'>A. colder climate<br>\r\nB. warmer climate<\/div><\/td><\/tr><tr id='mtq_row-108-3-1' onclick='mtq_button_click(108,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-108-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 108, Choice 3'>C<\/div><div id='mtq_marker-108-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-108-3-1' class='mtq_answer_text'>A. warmer climate<br>\r\nB. colder climate<\/div><\/td><\/tr><tr id='mtq_row-108-4-1' onclick='mtq_button_click(108,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-108-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 108, Choice 4'>D<\/div><div id='mtq_marker-108-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-108-4-1' class='mtq_answer_text'>A. colder climate<br>\r\nB. colder climate<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-108-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 108 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Remember the reasons why they are completely opposite. They are in lecture notes!!!<\/div><\/div><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-109-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 109<\/div><div id='mtq_stamp-109-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-109-1' class='mtq_question_text'>What is Oddo-Harkins rule?<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-109-1-1' onclick='mtq_button_click(109,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-109-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 109, Choice 1'>A<\/div><div id='mtq_marker-109-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-109-1-1' class='mtq_answer_text'>The rule state that elements with even atomic numbers are more abundant due to higher stability than elements with odd atomic numbers.<\/div><\/td><\/tr><tr id='mtq_row-109-2-1' onclick='mtq_button_click(109,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-109-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 109, Choice 2'>B<\/div><div id='mtq_marker-109-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-109-2-1' class='mtq_answer_text'>The rule state that elements with even numbers of electrons are more abundant due to higher stability than elements with odd number of electrons.<\/div><\/td><\/tr><tr id='mtq_row-109-3-1' onclick='mtq_button_click(109,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-109-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 109, Choice 3'>C<\/div><div id='mtq_marker-109-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-109-3-1' class='mtq_answer_text'>The rule state that elements with even mass are more abundant due to higher stability than elements with odd mass.<\/div><\/td><\/tr><tr id='mtq_row-109-4-1' onclick='mtq_button_click(109,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-109-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 109, Choice 4'>D<\/div><div id='mtq_marker-109-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-109-4-1' class='mtq_answer_text'>The rule state that elements with odd atomic numbers are more abundant due to higher stability than elements with even atomic numbers.<\/div><\/td><\/tr><tr id='mtq_row-109-5-1' onclick='mtq_button_click(109,5,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-109-5-1' class='mtq_css_letter_button mtq_letter_button_4'  alt='Question 109, Choice 5'>E<\/div><div id='mtq_marker-109-5-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-109-5-1' class='mtq_answer_text'>The rule state that elements with odd numbers of electrons are more abundant due to higher stability than elements with even number of electrons.<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-110-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 110<\/div><div id='mtq_stamp-110-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-110-1' class='mtq_question_text'>In a geochemical system,_____ trace elements than major elements were found.<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-110-1-1' onclick='mtq_button_click(110,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-110-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 110, Choice 1'>A<\/div><div id='mtq_marker-110-1-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-110-1-1' class='mtq_answer_text'>more<\/div><\/td><\/tr><tr id='mtq_row-110-2-1' onclick='mtq_button_click(110,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-110-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 110, Choice 2'>B<\/div><div id='mtq_marker-110-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-110-2-1' class='mtq_answer_text'>about the same<\/div><\/td><\/tr><tr id='mtq_row-110-3-1' onclick='mtq_button_click(110,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-110-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 110, Choice 3'>C<\/div><div id='mtq_marker-110-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-110-3-1' class='mtq_answer_text'>less<\/div><\/td><\/tr><tr id='mtq_row-110-4-1' onclick='mtq_button_click(110,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-110-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 110, Choice 4'>D<\/div><div id='mtq_marker-110-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-110-4-1' class='mtq_answer_text'>i have no freaking clue<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-111-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 111<\/div><div id='mtq_stamp-111-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-111-1' class='mtq_question_text'>On Eh-pH diagrams, the main bounds are based on...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-111-1-1' onclick='mtq_button_click(111,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-111-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 111, Choice 1'>A<\/div><div id='mtq_marker-111-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-111-1-1' class='mtq_answer_text'>the stability of minerals; minerals are stable above the upper and lower bounds<\/div><\/td><\/tr><tr id='mtq_row-111-2-1' onclick='mtq_button_click(111,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-111-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 111, Choice 2'>B<\/div><div id='mtq_marker-111-2-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-111-2-1' class='mtq_answer_text'>the stability of minerals; minerals are stable between the upper and lower bounds<\/div><\/td><\/tr><tr id='mtq_row-111-3-1' onclick='mtq_button_click(111,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-111-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 111, Choice 3'>C<\/div><div id='mtq_marker-111-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-111-3-1' class='mtq_answer_text'>the stability of water; water is stable above the upper and lower bounds<\/div><\/td><\/tr><tr id='mtq_row-111-4-1' onclick='mtq_button_click(111,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-111-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 111, Choice 4'>D<\/div><div id='mtq_marker-111-4-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-111-4-1' class='mtq_answer_text'>the stability of water; water is stable between the upper and lower bounds<\/div><\/td><\/tr><\/table><\/div><div class='mtq_question mtq_scroll_item-1' id='mtq_question-112-1'><table class='mtq_question_heading_table'><tr><td><div class='mtq_question_label '>Question 112<\/div><div id='mtq_stamp-112-1' class='mtq_stamp'><\/div><\/td><\/tr><\/table><div id='mtq_question_text-112-1' class='mtq_question_text'>Extensive properties...<\/div><table class='mtq_answer_table'><colgroup><col class='mtq_oce_first'\/><\/colgroup><tr id='mtq_row-112-1-1' onclick='mtq_button_click(112,1,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-112-1-1' class='mtq_css_letter_button mtq_letter_button_0'  alt='Question 112, Choice 1'>A<\/div><div id='mtq_marker-112-1-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-112-1-1' class='mtq_answer_text'>can be mass, press and density.<\/div><\/td><\/tr><tr id='mtq_row-112-2-1' onclick='mtq_button_click(112,2,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-112-2-1' class='mtq_css_letter_button mtq_letter_button_1'  alt='Question 112, Choice 2'>B<\/div><div id='mtq_marker-112-2-1' class='mtq_marker mtq_correct_marker' alt='Correct'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-112-2-1' class='mtq_answer_text'>changes proportional to the amount of matter.<\/div><\/td><\/tr><tr id='mtq_row-112-3-1' onclick='mtq_button_click(112,3,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-112-3-1' class='mtq_css_letter_button mtq_letter_button_2'  alt='Question 112, Choice 3'>C<\/div><div id='mtq_marker-112-3-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-112-3-1' class='mtq_answer_text'>are independent of the amount of matter.<\/div><\/td><\/tr><tr id='mtq_row-112-4-1' onclick='mtq_button_click(112,4,1)' class='mtq_clickable'><td class='mtq_letter_button_td'><div id='mtq_button-112-4-1' class='mtq_css_letter_button mtq_letter_button_3'  alt='Question 112, Choice 4'>D<\/div><div id='mtq_marker-112-4-1' class='mtq_marker mtq_wrong_marker' alt='Wrong'><\/div><\/td><td class='mtq_answer_td'><div id='mtq_answer_text-112-4-1' class='mtq_answer_text'>can be temperature, pressure and density.<\/div><\/td><\/tr><\/table><div id='mtq_question_explanation-112-1' class='mtq_explanation'><div class='mtq_explanation-label'>Question 112 Explanation:&nbsp;<\/div><div class='mtq_explanation-text'> Extensive properties can be volume and mass. Intensive properties are independent of the amount of matter, such as temp, pressure or density.<\/div><\/div><\/div>            <div id=\"mtq_results_request-1\" class=\"mtq_results_request mtq_scroll_item-1\">\r\n        Once you are finished, click the button below. Any items you have not completed will be marked incorrect.        <span id=\"mtq_results_button-1\" class='mtq_action_button mtq_css_button mtq_results_button'  onclick='mtq_get_results(1)'> <span class=\"mtq_results_text\">\r\n        Get Results        <\/span> <\/span> <\/div>\r\n                <\/div>\r\n        <!--End of mtqscrollable items--> \r\n    \r\n  <\/div>\r\n  <!--End of mtqscrollable--> \r\n  <!--mtq_status-->\r\n    <div id=\"mtq_quiz_status-1\" class=\"mtq_quiz_status\">\r\n  There are 112 questions to complete.  <\/div>\r\n      <table id=\"mtq_listrow-1\" class=\"mtq_listrow\">\r\n    <tr>\r\n      <td class=\"mtq_listrow_button-td\"><div id=\"mtq_back_button-1\" class='prev browse left mtq_css_back_button mtq_listrow_button' alt=\"Go to Previous Question\" onclick=\"mtq_back_nav(1)\">&#8592;<\/div><\/td>\r\n      <td>        <div id=\"mtq_show_list-1\" class=\"mtq_show_list mtq_css_button mtq_list_button\" onclick=\"mtq_show_nav(1)\" rel=\"mtq_navigator-1\"> <div 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onclick='mtq_nav_click(24,1)'>24<\/td><td id='mtq_list_item-25-1' class='mtq_list_item' onclick='mtq_nav_click(25,1)'>25<\/td><\/tr><tr><td id='mtq_list_item-26-1' class='mtq_list_item' onclick='mtq_nav_click(26,1)'>26<\/td><td id='mtq_list_item-27-1' class='mtq_list_item' onclick='mtq_nav_click(27,1)'>27<\/td><td id='mtq_list_item-28-1' class='mtq_list_item' onclick='mtq_nav_click(28,1)'>28<\/td><td id='mtq_list_item-29-1' class='mtq_list_item' onclick='mtq_nav_click(29,1)'>29<\/td><td id='mtq_list_item-30-1' class='mtq_list_item' onclick='mtq_nav_click(30,1)'>30<\/td><\/tr><tr><td id='mtq_list_item-31-1' class='mtq_list_item' onclick='mtq_nav_click(31,1)'>31<\/td><td id='mtq_list_item-32-1' class='mtq_list_item' onclick='mtq_nav_click(32,1)'>32<\/td><td id='mtq_list_item-33-1' class='mtq_list_item' onclick='mtq_nav_click(33,1)'>33<\/td><td id='mtq_list_item-34-1' class='mtq_list_item' onclick='mtq_nav_click(34,1)'>34<\/td><td id='mtq_list_item-35-1' class='mtq_list_item' 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onclick='mtq_nav_click(57,1)'>57<\/td><td id='mtq_list_item-58-1' class='mtq_list_item' onclick='mtq_nav_click(58,1)'>58<\/td><td id='mtq_list_item-59-1' class='mtq_list_item' onclick='mtq_nav_click(59,1)'>59<\/td><td id='mtq_list_item-60-1' class='mtq_list_item' onclick='mtq_nav_click(60,1)'>60<\/td><\/tr><tr><td id='mtq_list_item-61-1' class='mtq_list_item' onclick='mtq_nav_click(61,1)'>61<\/td><td id='mtq_list_item-62-1' class='mtq_list_item' onclick='mtq_nav_click(62,1)'>62<\/td><td id='mtq_list_item-63-1' class='mtq_list_item' onclick='mtq_nav_click(63,1)'>63<\/td><td id='mtq_list_item-64-1' class='mtq_list_item' onclick='mtq_nav_click(64,1)'>64<\/td><td id='mtq_list_item-65-1' class='mtq_list_item' onclick='mtq_nav_click(65,1)'>65<\/td><\/tr><tr><td id='mtq_list_item-66-1' class='mtq_list_item' onclick='mtq_nav_click(66,1)'>66<\/td><td id='mtq_list_item-67-1' class='mtq_list_item' onclick='mtq_nav_click(67,1)'>67<\/td><td id='mtq_list_item-68-1' class='mtq_list_item' 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id='mtq_ratingval-4-1' value='60'\/><div id='mtq_rating-4-1' class='mtq_preload'>Not bad!<\/div><input type='hidden' id='mtq_ratingval-5-1' value='80'\/><div id='mtq_rating-5-1' class='mtq_preload'>Good work!<\/div><input type='hidden' id='mtq_ratingval-6-1' value='100'\/><div id='mtq_rating-6-1' class='mtq_preload'>Perfect!<\/div>    <input type=\"hidden\" id=\"mtq_gf_present-1\" value=\"0\"\/>\r\n    <input type=\"hidden\" id=\"mtq_cf7_present-1\" value=\"0\"\/>\r\n    <input type=\"hidden\" id=\"mtq_quiz_in_form-1\" value=\"0\"\/>\r\n    <input type=\"hidden\" id=\"mtq_gf_formid_number-1\" value=\"\"\/>\r\n\r\n  <\/div>\r\n  \r\n  <!--Variables Div--> \r\n  <!--\/form--> \r\n<\/div>\r\n<!--Quiz area div-->\r\n\r\n<br \/>\n<strong>Credits: Based on the excellent class notes provided by, <a href=\"http:\/\/www.ucalgary.ca\/nair\/\" target=\"_blank\" rel=\"noopener\">Dr. Rajeev Nair<\/a> during Winter 2012.<br \/><a href=\"\/blog\/about\/faq\/#exfaq\">FAQ<\/a> | <a href=\"\/blog\/exams\/#er\">Report an Error<\/a><\/strong><\/p>\n<hr \/>\n<h3>Concepts and Additional Questions for Winter 2012 Final<\/h3>\n<div class=\"alert alert-success\" role=\"alert\"><p class=\"printonly\"><strong>Important!<\/strong><\/p>\n<p class=\"first-p\"><em><b>&uarr; Some of these are already in the exam type questions in the quiz(above) &uarr;<\/b><\/em><br \/>Answers to these will NOT be posted. These are based on lecture notes!<\/div><br \/>\n-What is secular equilibrium?<br \/>\n-Which step defines the rate of uranium decay once it has reached secular equilibrium?<br \/>\n-How isotopic fractionation is differ from elemental and mineral fractionation?<br \/>\n-What are the three stages of nucleosythesis?<br \/>\n-What are isobars, isotopes and isotones?<br \/>\n-How is p-process differ from the r &#038; s processes occurs in supernovae or explosive nucleosynthesis?<br \/>\n-What are the distinctions between a meteorite and a comets?<br \/>\n-What are the four basic ways to ID a meteorites?(Ni con, Chondrules, CAI-Refractory incl, Matrix)<br \/>\n-What is Oddo-Harkins Rule(effect) and how is it demonstrated on REE abundance patterns?<br \/>\n-What is the difference between an undifferentiated and a differentiated meteorite?<br \/>\n-What are LILEs, HFSEs and how REEs fit it there?<br \/>\n-Why are HFSEs in MORB and subduction zone basalt are depleted while LILEs enriched in MORB?<br \/>\n-What is closure temperature and what conditions must be met in order to use radioactive isotopic dating?<br \/>\n-What is solidus and liquidus indicate during; a) Melting of rocks and b) crystallization of magma?<br \/>\n-What are\/is source process\/es and what are\/is differentiation process\/es?<br \/>\n-Why Zircon is commonly used for U-Pb dating?<br \/>\n-How carbon dating is used and once the &#8220;clock&#8221; of <sup>14<\/sup>C going to <sup>12<\/sup>C starts in organisms?<br \/>\n-While <sup>12<\/sup>C going and <sup>13<\/sup>C are both stable isotopes of carbon, why <sup>12<\/sup>C is the most abundant(98.89%) form?<\/p>\n<p><strong>Did you miss anything? (key concepts)<\/strong><\/p>\n<p>-Know how do do stability diagrams, Eh-pH diagrams, Activity-Activity and Harker diagrams.<br \/>\n-Eh of natural systems (+ = e move out of SHE and natural env is oxidizing)<br \/>\n-Be able to describe all stages of nucleosynthesis in detail.<br \/>\n-Big Bang Nucleosynthesis occurred ~14 billion years ago and formation of first atomic nuclei after 3 min.<br \/>\n-Know how to calculate delta for stable isotopes.<br \/>\n-Know the types of mass dependent isotopic fractionations.<br \/>\n-Know the differences between OIB, MORB, subduction zone basalt compositions and how the were formed.<br \/>\n-Be able to describe identifiable parts of Chondrites, how they form and what they composed of..<br \/>\n-Know that Fe is the most stable atom because it has the highest nuclear binding energy (NBE).<br \/>\n-Any element up to Fe undergo fusion to form new elements while elements after Fe undergo fission.<br \/>\n-Large atoms often undergo fission not fusion.<br \/>\n-Know H, He was the first two elements to form with some minor amounts of Li and Be from BBN.<br \/>\n-Alpha decay, beta decay, positron decay, electron capture, nuclear fission and gamma ray emission.<br \/>\n-Redox reactions and Eh calculations.<br \/>\n-Describe the Tipple-Alpha process and why we need it to explain some nucleons.<br \/>\n-Franhuafer lines and how it helps geochemists.<br \/>\n-Difference between classes and groups in classification of meteorites.<br \/>\n-Fractionation process of mineral and isotopes.<br \/>\n-Be able to describe the 3 types of magma; primary, primitive(parental) and evolved.<br \/>\n-Know what is the liquid line of decent on element-element diagrams.<br \/>\n-Know that most REEs have a charge of 3+ except for Ce<sup>4+<\/sup> and Eu<sup>2+<\/sup>.<br \/>\n-Difference between a radiogenic isotope, a radioactive isotope and a stable isotope.<br \/>\n-Know how to calculate the relative mass difference between isotopes.<br \/>\n-Tc and Pm anomalies&#8230;<br \/>\n-Know the Carbon-14 dating techniques, calibrations and limitations.<br \/>\n-Be able to interpret and give a graphic and dirty description of &#8220;spider diagrams&#8221;<br \/>\n-Know Pb-U concordia diagram (concordia curve\/discordia line\/the alpha &#038; beta intersections)<br \/>\n-Know how to use decay equations.<br \/>\n-Know the concepts related to isotope fractionation in the hydrosphere<br \/>\n-All the types of standards used in stable isotope geochemistry<br \/>\n-Equilibrium and kinetic isotopic fractionation.<br \/>\n-Methods of radiometric dating and the manipulation of formulae.<br \/>\n-Isotopic fractionation due to progressive rain and isotopic variations in meteoric water.<br \/>\n-Ice core and carbonate sediments data analysis.<br \/>\n-Know the standards used in stable isotope geochemistry. (<a href=\"\/blog\/science\/geochemistry#stdig\">more info-click here<\/a>)<br \/>\n-Be familiar with <strong>all the formulae.<\/strong><br \/>\n-Know how to use <strong>every concept we learned in labs, specially for the last 5 labs<\/strong><br \/>\n&#8211;<strong>Spend more time on Lecture 17 to 34<\/strong>(last lecture)<\/p>\n<hr>\n<p><center><\/p>\n<h3>Midterm I Exam Concepts<\/h3>\n<p><\/center><\/p>\n<h3>Basic Chemistry<\/h3>\n<p>There are three conventions on how the electrons are arranged around an atom; Aufbau, Pauli and Hunds.<\/p>\n<p>1. <b>The Aufbau principle<\/b>: electrons placed in orbitals with the lowest energey first and additional electrons are placed in orbitals that minimize the energy of the atom.<\/p>\n<p>2. <b>The Pauli Exclusion principle<\/b>: no two electrons in an atom can have the same value for all the four quantum numbers; <i>n<\/i>, <i><span class=\"Unicode\">l<\/span><\/i>, <i>m<sub><span class=\"Unicode\">l<\/span><\/sub><\/i>, <i>m<sub>s<\/sub><\/i>.<\/p>\n<p>3. <b>Hund&#8217;s rule of maximum multiplicity<\/b>: orbitals are singly occupied first before they are paired (filled) with electrons of opposite spins.<\/p>\n<li> Nuclear stability is determined by the nucleons(proton\/neutron) number ratio in the nucleus of the atom and the geochemical stability is determined by the electronic configuration of the atom.\n<\/li>\n<li> Mass of the nucleus is always less than the sum of the individual mass of protons and neutrons because some of the theoretical mass is converted in to nuclear binding energy during the formation of the atom.\n<\/li>\n<li> Physical and chemical characteristic of compounds\/minerals depend on the type of bonds, ionic or covalent and the elements involved.\n<\/li>\n<li> Electron affinity<sup><a href=\"geo_def.php#elaf\">def<\/a><\/sup> increases from left to right along a period on the periodic table of elements. Since addition of an electron is generally exothermic, <s>higher electron affinity (large negative number) indicate an electron acceptor<\/s>.\n<p>An Earth Scientist&#8217;s Periodic Table of the Elements and Their Ions: <a href=\"http:\/\/www.gly.uga.edu\/railsback\/PT.html\" target=\"_blank\" rel=\"noopener\">web<\/a> | <a href=\"http:\/\/www.gly.uga.edu\/railsback\/PT\/815PeriodicTable48d013600.jpg\" target=\"_blank\" rel=\"noopener\">table<\/a><\/p>\n<p><!--Identification--><\/p>\n<h3>Identification of Elements and Minerals<\/h3>\n<p>This is an overlap between geochemistry and mineralogy. However, in geochemistry the analytical quantitative methods are used to identify elements and minerals while mostly qualitative analysis is used in mineralogical assessments. These analytical methods includes:<\/p>\n<p>1. X-ray Fluorescence (XRF): <a href=\"http:\/\/en.wikipedia.org\/wiki\/X-ray_fluorescence\" target=\"_blank\" rel=\"noopener\">web<\/a><br \/>\n-destructive bulk analysis<br \/>\n-detection is at ppm level (can detect major, minor and trace elements)<\/p>\n<p>2. Instrumental Neutron Activation Analysis (INAA): <a href=\"http:\/\/en.wikipedia.org\/wiki\/Neutron_activation_analysis\" target=\"_blank\" rel=\"noopener\">web<\/a><br \/>\n-destructive bulk analysis<br \/>\n-detection is at ppm level (can detect major, minor and trace elements)<br \/>\n-can detect large number of elements<\/p>\n<p>3. Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES): <a href=\"http:\/\/en.wikipedia.org\/wiki\/Inductively_coupled_plasma_atomic_emission_spectroscopy\" target=\"_blank\" rel=\"noopener\">web<\/a><br \/>\n-destructive bulk analysis<br \/>\n-not as good in precision as XRF, INNA and ICP-AES<\/p>\n<p>4. Atomic Absorption Spectrophotometry (AAS): <a href=\"http:\/\/en.wikipedia.org\/wiki\/Atomic_absorption_spectroscopy\" target=\"_blank\" rel=\"noopener\">web<\/a><\/p>\n<p>\n5. Electron Microprobe Analysis (EPMA): <a href=\"http:\/\/en.wikipedia.org\/wiki\/Electron_microprobe\" target=\"_blank\" rel=\"noopener\">web<\/a><br \/>\n-non-destructive in-situ analysis<br \/>\n-detects elements from B to U<br \/>\n-cannot detect light elements and bad for trace\/minor element detection<\/p>\n<p>6. Mass Spectrometry: <a href=\"http:\/\/en.wikipedia.org\/wiki\/Mass_spectrometry\" target=\"_blank\" rel=\"noopener\">web<\/a><\/p>\n<p>Please use Wikipedia for more information on each of these instruments and methods. I think it is redundant to post information that is already available.<\/p>\n<p><!--Composition of Earth Layers--><\/p>\n<h3>Chemical Composition of Earth Layers<\/h3>\n<p>Earth started with homogeneous chemical composition and later chemically differentiated into distinct layers; crust, mental and core. The core formed first by segregating mostly iron from silicates causing the resulting composition mostly made of silicon. This silica rich composition known as Bulk Silicate Earth(BSE). The BSE also known as primitive mantle. Because the mental was molten the heavy mental such as iron separate and sink to the core of the Earth hence contributing more iron to the core formation. The BSE further differentiated in chemical composition forming the crust and the mantel.<\/p>\n<p>The composition can be analyzed using weight percentages(Wt%) of each chemical compound. Geochemist observed that silicon rich SiO<sub>2<\/sub> is the most common form of compound found in the Earth&#8217;s crust while mantle is about 45.1% SiO<sub>2<\/sub> with 38.1% MgO. These data is complied based on many laboratory studies on petrology. The following table list the composition in Wt%:<\/p>\n<p><\/p>\n<table border=\"0\" width=\"100%\" valign=\"top\">\n<tr>\n<td><font color=\"#000066\"> Wt% <\/font><\/td>\n<td><font color=\"#000066\">SiO<sub>2<\/sub><\/font><\/td>\n<td><font color=\"#000066\">TiO<sub>2<\/sub><\/font><\/td>\n<td><font color=\"#000066\">Al<sub>2<\/sub>O<sub>3<\/sub><\/font><\/td>\n<td><font color=\"#000066\">FeO<sup>1<\/sup><\/font><\/td>\n<td><font color=\"#000066\">MnO<\/font><\/td>\n<td><font color=\"#000066\">MgO<\/font><\/td>\n<td><font color=\"#000066\">CaO<\/font><\/td>\n<td><font color=\"#000066\">Na<sub>2<\/sub>O<\/font><\/td>\n<td><font color=\"#000066\">K<sub>2<\/sub>O<\/font><\/td>\n<td><font color=\"#000066\">P<sub>2<\/sub>O<sub>5<\/sub><\/font><\/td>\n<td><font color=\"#000066\">CO<sub>2<\/sub><\/font><\/td>\n<td><font color=\"#000066\">H<sub>2<\/sub>O<\/font><\/td>\n<\/tr>\n<tr>\n<td> Upper Crust <\/td>\n<td> 50.5 <\/td>\n<td> 1.56 <\/td>\n<td> 15.3 <\/td>\n<td> 10.5 <\/td>\n<td> < 1 <\/td>\n<\/td>\n<td> 7.47 <\/td>\n<td> 11.5 <\/td>\n<td> 2.62 <\/td>\n<td> 0.13 <\/td>\n<td> 0.13 <\/td>\n<td> ? <\/td>\n<td> ? <\/td>\n<\/tr>\n<tr bgcolor=\"#cccccc\">\n<td> Lower Crust <\/td>\n<td> 60.6 <\/td>\n<td> 0.7 <\/td>\n<td> 15.9 <\/td>\n<td> 6.7 <\/td>\n<td> 0.10 <\/td>\n<td> 4.7 <\/td>\n<td> 6.4 <\/td>\n<td> 3.10 <\/td>\n<td> 1.80 <\/td>\n<td> 0.10 <\/td>\n<td> ? <\/td>\n<td> ? <\/td>\n<\/tr>\n<tr>\n<td> Mantle <\/td>\n<td> 45.1 <\/td>\n<td> &#8211; <\/td>\n<td> 3.3 <\/td>\n<td> 8.0 <\/td>\n<td> &#8211; <\/td>\n<td> 38.1 <\/td>\n<td> 3.1 <\/td>\n<td> &#8211; <\/td>\n<td> &#8211; <\/td>\n<td> &#8211; <\/td>\n<td> ? <\/td>\n<td> ? <\/td>\n<\/tr>\n<tr bgcolor=\"#cccccc\">\n<td> Core <\/td>\n<td colspan=\"12\"> <center>Primarily Fe-Ni Alloy with some light elements<sup>2<\/sup> such as Si, S, O, C, K.<\/center> <\/td>\n<\/tr>\n<\/table>\n<p>1. Fe form in two different ways in nature; Fe<sup>2+<\/sup> and Fe<sup>3+<\/sup> and depend on which Fe, the element ratio between F:O will charge.<\/p>\n<p>2. this account for the disparity in the measured density of the core from the seismic data composed from a pure Fe-Ni alloy.<\/p>\n<p>During oceanic crust formation, the melting process undergo fractionation of chemicals. Continental crust is more felsic(silica rich) than oceanic crust but felsic magma is produced by melting of pre-existing basaltic rocks. Oceanic crust is formed as a result of decompression melting of silica rich mantle at spreading mid-ocean ridges producing basaltic rocks (peridotites).<\/p>\n<p><!--END :: Composition of Earth Layers--><br \/>\n<!--Distribution of Elements in R&M--><\/p>\n<h3>Distribution of Elements in Rocks and Minerals<\/h3>\n<p>Victor Moritz Goldschmidt (1888-1947) pioneered in classification of elements in Earth by their partitioning behaviour.<\/p>\n<p><u>Distribution or partitioning<\/u> of elements between two different phases can be calculated using distribution coefficient (aka partitioning coefficient) which is defined as for element i, the coefficient:<\/p>\n<p><font style=\"BACKGROUND-COLOR:#cccccc\">K<sub>d<\/sub>i = concentration of i A\/concentration of i B<\/font>, where A and B are two phases and K<sub>d<\/sub> can be determined by experimental values or theoretical calculations. When partition coefficient is between two solid phases of minerals it doesn&#8217;t matter which mineral is on the denominator and which one is on the numerator.<\/p>\n<p>If the partitioning occurred between a melt and a solid, then the solid always has to be on the numerator. During melting of solid rocks, the incompatible elements preferentially moves into the melt. In solid mineral-melt situation, the following rules are used by geochemists to determine the condition of the partition:<\/p>\n<li>If the K<sub>d<\/sub>i > 1 then,<br \/>\n-element preferentially partition into the mineral\/solid<br \/>\n-compatible elements<\/li>\n<li>If the K<sub>d<\/sub>i < 1  then, <br \/>\n-element preferentially partition into the melt<br \/>\n-incompatible elements<\/li>\n<li>If the K<sub>d<\/sub>i  = 1 which is extremely rare, then, <br \/>\n-no preference<\/li>\n<p>Note: There are several factors that effect the K<sub>d<\/sub> value. These are temperature, pressure and composition of minerals\/composition of magma.<\/p>\n<p><u>Bulk partition coefficient<\/u> determines the distribution of elements between a melt and its minerals in multiple phases. It is defined as for element i, the coefficient:<\/p>\n<p><font style=\"BACKGROUND-COLOR:#cccccc\">Di = W<sub>A<\/sub>K<sub>d<\/sub>i<sup>A<\/sup> + W<sub>B<\/sub>K<sub>d<\/sub>i<sup>B<\/sup> or Di = W<sub>j<\/sub>K<sub>d<\/sub>i<sup>J<\/sup><\/font>, where W<sub>j<\/sub> is the weight fraction and K<sub>d<\/sub>i<sup>J<\/sup> is the partition coefficient of element i in mineral j. The following rules are used by geochemists to determine the condition of the partition:<\/p>\n<li>D > 1 = compatible (solid favored; preferentially petition <u>into the mineral<\/u>)<\/li>\n<li>D < 1 = incompatible (melt favored; preferentially petition into the melt)<\/li>\n<\/li>\n<\/li>\n<p>Goldschmidt&#8217;s classification<sup>(<a href=\"http:\/\/en.wikipedia.org\/wiki\/Goldschmidt_classification\" target=\"_blank\" rel=\"noopener\">ref<\/a>)<\/sup> of elements based on their partitioning behavior has four phases; gas phase, silicate phase, sulfide phase and metallic phase.<\/p>\n<p><!--Goldschmidt's classification table--><\/p>\n<table border=\"0\" width=\"100%\" valign=\"top\">\n<tr>\n<td><font color=\"#000066\"> Phase <\/font><\/td>\n<td><font color=\"#000066\"> Discription <\/font><\/td>\n<\/tr>\n<tr>\n<td> Gas <\/td>\n<td> elements preferentially partition into a fluid phase (found in atmosphere, called atmospheric elements)<\/td>\n<\/tr>\n<tr bgcolor=\"#cccccc\">\n<td> Silicate <\/td>\n<td> elements preferentially partition into silicate phase (lithophile elements)<br \/>these elements also preferentially binds with oxygen<\/td>\n<\/tr>\n<tr>\n<td> Sulfide <\/td>\n<td> elements preferentially partition into sulfide (chalcophile elements) <\/td>\n<\/tr>\n<tr bgcolor=\"#cccccc\">\n<td> Metallic <\/td>\n<td> elements preferentially partition into metallic (siderophile elements) <\/td>\n<\/tr>\n<\/table>\n<p><!--END :: Goldschmidt's classification table--><\/p>\n<p><!--END :: Distribution of Elements in R&M--><\/p>\n<h3>Rare Earth Elements (REE)<\/h3>\n<p>Rare Earth Elements are seventeen natural chemical elements found on Earth. The name &#8220;rare earth elements&#8221; were coined by geologists because often ore deposits containing these elements are not found in high concentrations to be mined. (with exception of promethium, all other elements are abundant across the world, but not found in deposits of high concentrations). It is misleading because are actually not rare at all. However in nature, they are not found in high concentrations.<\/p>\n<p>These elements have specific atomic number and appears on the periodic table of elements. Some textbooks may refer this group as rare earth metals, rare earth oxides, etc. Most REE are in the Lanthanide<sup>(<a href=\"http:\/\/en.wikipedia.org\/wiki\/Lanthanide\" target=\"_blank\" rel=\"noopener\">ref<\/a>)<\/sup> group.<\/p>\n<p><u>A list of REE<\/u>:<\/p>\n<table summary=\"REE\" border=\"0\" width=\"100%\">\n<tr>\n<td>21\tSc\tScandium<br \/>\n39\tY\tYttrium*<br \/>\n57\tLa\tLanthanum<br \/>\n58\tCe\tCerium<br \/>\n59\tPr\tPraseodymium<br \/>\n60\tNd\tNeodymium<\/td>\n<td>\n61\tPm\tPromethium<br \/>\n62\tSm\tSamarium<br \/>\n63\tEu\tEuropium<br \/>\n64\tGd\tGadolinium<br \/>\n65\tTb\tTerbium<br \/>\n66\tDy\tDysprosium<\/td>\n<td>\n67\tHo\tHolmium<br \/>\n68\tEr\tErbium<br \/>\n69\tTm\tThulium<br \/>\n70\tYb\tYtterbium<br \/>\n71\tLu\tLutetium<\/td>\n<\/tr>\n<\/table>\n<p>The element Yittrium(39) is not an REE, but usually grouped with REEs because of similar geochemical properties and behavior as of other elements in this group. Exception to Eu and Ca which occur in 2+\/3+ and 4+ states respectively, REEs are commonly occurred in 3+ valance state.<\/p>\n<p>Atomic radii decreases when moving from atomic number 57 down to 71. This increases the number of crystallographic sites which these elements can occupy. Even though REEs are incompatible elements, within the REE group of elements the relative compatibility increase with reduction in atomic radii.<\/p>\n<p>REE are further divided into three sections based on the atomic weight; Light REE(LREE), Middle REE(MREE) and Heavy REE(HREE). The HREEs are more compatible (relatively larger D than other sections of REE.<\/p>\n<h3><a name=\"stdig\"><\/a>Isotopic Geochemistry<\/h3>\n<p><b>Table of Standards used in stable isotopic geochemistry<\/b><br \/>\n[table id=1 \/] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>&larr; Back to Exams and Quizzes Credits: Based on the excellent class notes provided by, Dr. Rajeev Nair during Winter 2012.FAQ | Report an Error Concepts and Additional Questions for Winter 2012 Final -What is secular equilibrium? -Which step defines the rate of uranium decay once it has reached secular equilibrium? -How isotopic fractionation is &hellip; <a href=\"https:\/\/sanuja.com\/blog\/exams\/glgy323-final\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Geology 323 Final-University of Calgary<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":671,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10071","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/pages\/10071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/comments?post=10071"}],"version-history":[{"count":0,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/pages\/10071\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/pages\/671"}],"wp:attachment":[{"href":"https:\/\/sanuja.com\/blog\/wp-json\/wp\/v2\/media?parent=10071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}