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My Answered Questions
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What was the first word on earth?
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How does all the planets float in the univers?
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Where do we get helium from?
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Why are our eyes wet?
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Why do we feel scared?
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How many liters of water are on earth?
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How old is earth?
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Why is the sun in the middle of the milky way?
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Who invented guns?
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How is helium lighter than air?