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Author Question: According to their k values, which material is a better insulator: expanded polystyrene or expanded ... (Read 43 times) |
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The average office desk has 400 times more bacteria on it than a toilet.
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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 FDA recognizes 118 routes of administration.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.