[Q]: John was studying the characteristics of tropical forests. For that, he chose forests in Laos. To compare the forests in Laos with the temperate zone forests he chose forests in Ireland. He could clearly see that how they differed in important ways. Which forests would see higher rates of chemical weathering, Laos or Ireland?
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[A]: Laos

[Q]: Two sisters attended a wedding. Ann got very sick early on, after eating the appetizer. She was infected with norovirus and with hepatitis A. Bianca danced for a while then ate the main course and fell ill. She found out she was infected with Giardia and trichinella. Which sister didn't have parasites?
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[A]: Ann

[Q]: John was sitting at point C near a railway track. Suddenly, he heard a train coming towards him from point A with constant sound of its horn. Eventually, it reached very close to him at point B. Then the train sped by him at point C where he was sitting, reaching point D after some time. Finally, it reached even farther from him at point E. At which point the horn would sound lower in pitch, point D or point E?
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[A]: point E

[Q]: Two teams studied two types of animals: team A studied predators, while team B studied grazers. They learned a lot from this experience. Which team learned about keystone species?
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[A]:
team A