Everyday Science
Sun revolves around the Milky Way in about _____ million years.
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Battery was invented by__________?
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Increase of carbon dioxide is atmosphere causes:
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Freezing point of water is__________?
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The scientific study of spiders is called __________?
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Strongest and longest bone _________?
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Which two primary colors are mixed to make purple color?
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DNA structure discovered in _________?
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Which of the following rays are more penetrating?
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