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Author Question: The footprints at Ltoli indicate that A. very early hominins walked on four legs. B. very early ... (Read 487 times) |
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Everyone has one nostril that is larger than the other.
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Cyanide works by making the human body unable to use oxygen.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.