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Author Question: Strata are __________. a. layers of rock b. trace fossils c. petrified remains of organisms d. ... (Read 149 times) |
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Excessive alcohol use costs the country approximately $235 billion every year.
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The average adult has about 21 square feet of skin.
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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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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.