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Author Question: A playground hazard that often goes unrecognized is ___. a. lead paint used on older equipment ... (Read 173 times) |
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.