Please answer this: John is a geologist. He was trying to figure out how the Earth's inner core is made. To that end, he compared earth's physical characteristics to available items. First he took a sample of surface rock, which he labeled as item B. Then he took a sphere of constant density, which he labeled as item C. Finally, he labeled the Earth as item A. Given the paragraph above, please answer correctly the following question: Would item C have higher or lower moment of inertia than item A?
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Answer: higher

Please answer this: Michael and Robert are both performing a chemistry experiment. The reaction they are performing uses alkenes and hydrogen as reactants. Michael performs the experiment without any additional materials, while Robert performs the experiment while using a platinum catalyst. Given the paragraph above, please answer correctly the following question: Whose reaction will require more energy to occur?
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Answer: Michael

Please answer this: Panama and Ecuador are two neighboring countries. Ecuador uses nuclear fusion to produce its electricity, while Panama uses fossil fuels. Given the paragraph above, please answer correctly the following question: Which country caused more global warming?
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Answer:
Panama