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Author Question: Clean Water Acts were passed in the United States in: a. 1890 and 1960 c. 1970 and 1990 b. 1930 ... (Read 283 times) |
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The horizontal fraction bar was introduced by the Arabs.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.