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Author Question: American power plants usually supply 120 V ac. (a) At what frequency is this voltage supplied? ... (Read 17 times) |
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The average office desk has 400 times more bacteria on it than a toilet.
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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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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.