Problem: Given the question: Douglas is an inventor who creates a miniature engine in his backyard that he uses to power his house. In order to fuel his engine, he has to burn a large amount of fossil fuels every day. His neighbor, Elijah, on the other hand powers his house through wind turbines, and in the process doesn't burn any fossil fuels at all. Who will release less Earth-warming gasses into the atmosphere?
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The answer is:
Elijah

Problem: Given the question: Two related native tribes live thousands of miles away from each other. Ana tribe lives near the South Pole in Antarctica, while Momu tribe lives in Northern Alaska near the North Pole. Which tribe experienced a higher level of UV radiation?
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The answer is:
Ana

Problem: Given the question: Barry and Will are two geologists. Barry is specialized in subduction zones and new seafloor. Will is specialized in montology. Which person learned less about the Mid-Atlantic Ridge?
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The answer is:
Will