Problem: Given the question: Mary is studying the seismic waves of a recent earthquake from 2 locations around its focus. She notes at point A the waves are easily detectable. at point B the waves are unable to be read at all, as if they just stopped. Given Mary decides to check the readings for two other locations, points C and D, and notices the waves at D are slower, will the areas underground at points C and D be made of the same materials or different materials?
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The answer is:
different

Problem: Given the question: David is a doctor who works for the public health department. After analyzing health data for his city, he found twenty percent of the population have myopia. He categorized them as group A. Another eighty percent didn't have myopia. He put them in group B. He now needs to devise a plan on how to tackle myopia in his city. Would group B find it easier or harder to see distant objects than group A?
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The answer is:
easier

Problem: Given the question: Two farmers live side by side and both raise cattle in separate fields. The area they live in is rather hot. Farmer A's grazing area is wide and open with no trees around. Farmer B has a lot of trees in their grazing area. Given farmer A decides to plant some trees in his grazing area, will his cattle be more or less likely to put on weight faster?
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The answer is:
more