[Q]: Two islands were situated in different oceans. Hill island used fossil fuels and released a lot of carbon dioxide into the atmosphere, while Coral island was very protective towards the air and the ocean. Which island contributed more to the death of shellfish?
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[A]: Hill

[Q]: David was trying to see how steam engines work. For that, he conducted two tests, test A and test B. In test A, he used low temperature. On the other hand, in test B, he used high temperature. David started thinking about how he could use the results of his tests in everyday life. Which test would see decrease in pressure, case A or case B?
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[A]: case A

[Q]: Bobby and Kenny are two prolific farmers from Arkansas who have ponds located down stream from their farm sites. Bobby recently received a large order of potatoes from a neighboring city. Because of this order, Bobby has dramatically increased the amount of fertilizer he is using on his farm. Kenny mainly grows tomatoes, which are not in season right now, so his use of fertilizer is currently low. Over the past month there has been a large amount of rain falling on both Bobby and Kenny's farms. Who will cause less carbon dioxide to be used in the ponds near their farm?
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[A]: Kenny

[Q]: Two engineering students learned about petroleum products, While Dan learned more about plastics, Jim learned about fuels. Which student learned less about air mixing with the jet fuel?
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[A]:
Dan