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Author Question: Geographer Derwent Whittlesey divided the world into ________ agricultural regions (not including ... (Read 34 times) |
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.