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My Answered Questions
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What estimated year where dinosaurs in our planet?
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What are our tears made up off?
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What was before dinosaurs and cave men,what species?
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Who invented medicine?
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How many germs are there in your body?
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What is electricity made off?
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What is friction?
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How many earth days are there in Neptune and uranus
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What chemicals does water have?
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How many universes are in space.