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Author Question: Bell Telephone Laboratories invented the ________, which replaced the vacuum tube. (Read 329 times) |
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The FDA recognizes 118 routes of administration.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.