It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Excessive alcohol use costs the country approximately $235 billion every year.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Juvenile Common House Gecko (H. frenatus)
Examples of common surgical positions.
Normal Faults Common at divergent plate boundaries