Problem: Given the question: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants. Which person learned more about high-mountain summits?
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The answer is:
Gill

Problem: Given the question: Jan, a middle school student, is curious to learn more about friction so she grabs two random objects and rubs them together. After rubbing them together, object B has transferred some of its electrons to object A. After observing this she starts to wonder more about electrons and decides she will ask her teacher more about it tomorrow at school. Which item is positively charged?
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The answer is:
object B

Problem: Given the question: Two researches studied adolescents during puberty. Tim studied males, while Dan studied females. Which researcher observed that growth in height is about 10 centimeters (almost 4 inches) per year in the average male?
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The answer is:
Tim