[Q]: Marco is sitting at the bottom of a mountain and painting a picture of it. Lauren, Marco's friend, is sitting about halfway up the mountain and painting a picture of the horizon. The two will compare paintings after they complete their drawings and then will switch places and repeat the task. These two friends do this a couple times a year, and they always enjoy seeing how the other person paints the same object. Who gets more oxygen per breath?
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[A]: Marco
input: Please answer the following: John and Keith are two friends. They went to see an ophthalmologist for an eye cheek up. The doctor found that John had myopia, but Keith had normal eyes. He advised them according to his findings. Who would see distant objects more clearly, John or Keith?
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output: Keith
Please answer this: Two friends were in college. Hank studied plate tectonics, while his buddy Alex studied Earth's atmosphere. They were both very fascinated by the subjects. Which student learned less about plate subduction?
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Answer: Alex
Problem: Iran an Iraq are 2 neighbors. Iraq produces its electricity by burning fossil fuels, while Iran uses nuclear fission as its energy source. Which country uses more radioactive elements?

A: Iran
Problem: Given the question: Keith was measuring the attributes of thermoclines. He selected two locations. One is near Miami, which is in the tropic. The other is near New York, which is in higher latitude. In total, he took four samples, sample A, sample B, sample C, and sample D. From Miami thermocline he took sample A. Then from below Miami thermocline he took sample B. From New York thermocline he took sample C. Finally, from below New York thermocline he took sample D. Which sample would be colder, sample A or sample B?
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The answer is:
sample B
Problem: Jenny goes to the doctor today. She has noticed a lump growing and needs to get a mammogram done. She is incredibly worried and not sure what she should do. Given a bacteria mutates to become resistant to an antibiotic, would this be considered a helpful or harmful mutation?

A:
helpful