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Author Question: What crop developed 5,000 years ago and grows in standing water? A) sugar B) rice C) bananas ... (Read 112 times) |
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The horizontal fraction bar was introduced by the Arabs.
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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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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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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.