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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.