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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
An example showing a modification that has occurred as a result of biological evolution
Plains zebra are highly dependent on water.
Hematoma. A hematoma around the right eye caused by an injury. A hematoma is the result of bleeding
Gallstones result from the crystallization of salts and other compounds in bile
Mr. jackson's lab result - Chest X-Ray, CT Scan of Brain, and Cerebral Angiogram
In a simulation, the path of a new aircraft after it has achieved weightlessness