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Author Question: A periodic digital waveform ________. A) repeats itself at a fixed interval B) has an amplitude ... (Read 309 times) |
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.