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Author Question: 10. The resonant frequency of a cavity may be varied by changing any of three parameters: cavity ... (Read 5 times) |
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The average office desk has 400 times more bacteria on it than a toilet.
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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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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.