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Author Question: In the experimental method, the independent variable(s) can be manipulated. (Read 30 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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.
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.