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My Answered Questions
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why can’t we see evaporation happening
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Are the melting polar ice caps an indication of some climatic change completely beyond our control?
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why do photos fade if they are on a window sills for a long time
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how does toothpaste work
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How many people are in the world
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why do we blink
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is it true if a lizards tail got chopped off it would grow back
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to you think time machines could be invented sometime in the future
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Why do our eyes go dry if we keep them open for too long
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why are some people left handed while others are right handed