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Author Question: With the passage of the Clean Water Act of 1972, water pollution standards have become ____. A) ... (Read 90 times) |
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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The horizontal fraction bar was introduced by the Arabs.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).