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Author Question: In the 20th century, tertiary employment accounted for roughly (a) fifty percent of the total job ... (Read 27 times) |
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Blood is approximately twice as thick as water because of the cells and other components found in it.