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Author Question: The most striking example of solar variability was the A) Dust Bowl drought of the 1930s. B) ... (Read 25 times) |
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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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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").