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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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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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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.