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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 3182 times) |
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Illicit drug use costs the United States approximately $181 billion every year.
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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).