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Author Question: A very widespread epidemic of infectious disease spread through human populations is known as ... (Read 94 times) |
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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The horizontal fraction bar was introduced by the Arabs.
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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.