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Author Question: The expansion of cropland A) has led to an increase in grasslands. B) has occurred ... (Read 21 times) |
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.