Problem: Given the question: Two brothers were born 20 years apart. Tom, the older brother, was 72, while Dan was 52 years-old. they got along pretty well. Which brother experienced an increase in reflex time?
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The answer is:
Tom

Problem: Given the question: Planet Earth and planet Mars both had breathable atmospheres and were inhabited by humans. People of Earth destroyed the ozone layer, people of mars were more careful and protected it. Which planet had fewer people experiencing skin cancers?
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The answer is:
Mars

Problem: Given the question: Anna is going grocery shopping today. She gets to the meat section and decides to buy some ground beef. While looking at the cases she notices 2 brands of meat, Brand A and brand B. Bother were packaged the same day but package B's meat is noticeably more brown in color. Will the red pigment of meat last longer or shorter if it is treated with carbon monoxide?
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The answer is:
longer