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Author Question: The first agrarian societies arose about a. between 4,000 and 5,000 years ago b. 10,000 years ... (Read 12 times) |
Vaccines prevent between 2.5 and 4 million deaths every year.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.