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Author Question: The source of all electromagnetic waves is A) changes in atomic energy levels. B) vibrating ... (Read 316 times) |
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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There are more bacteria in your mouth than there are people in the world.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.