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Author Question: The National Science Education Standards present a curriculum of what students in kindergarten ... (Read 44 times) |
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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Approximately 500,000 babies are born each year in the United States to teenage mothers.