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Author Question: Technician A says that with self-adjusting clutch systems, the release bearing constantly rotates. ... (Read 5875 times) |
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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).