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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 18505 times) |
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The average adult has about 21 square feet of skin.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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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).