[Q]: The Berg mountains in Berg county are of a volcanic nature, very massive, few caves. The Gorge mountains in Gorge county are made of sedimentary rocks, predominantly limestone. They were exposed to water and that lead to karst lanscapes, caves, blue holes, stalactites and stalagmites. Given the paragraph above, please answer correctly the following question: Which of the two mountains had more blue holes?
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[A]: Gorge

[Q]: Ben and Andy researched significant greenhouse gasses in Earth's atmosphere. Andy researched more about carbon dioxide, while Ben researched methane gas. Given the paragraph above, please answer correctly the following question: Which researcher studied more about deforestation?
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[A]: Andy

[Q]: Pete liked the human physiology so he started reading about the digestive system, especially about the jejunum. His colleague Fox, studied more about the stomach. Given the paragraph above, please answer correctly the following question: Which student read more about how nutrients pass from the villi into the bloodstream through the capillaries?
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[A]: Pete

[Q]: Two boys read about the Earth, Evolutionism and the Gaia hypothesis. Brad liked Evolutionism more, while Stan preferred the Gaia theory, and agreed with it. Given the paragraph above, please answer correctly the following question: Which boy agreed that the amount of carbon dioxide stays fairly constant without human intervention?
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[A]:
Stan