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Author Question: If job 5 takes 3, 4, or 5 hours to be completed by workers A, B, and C, respectively, what would the ... (Read 24 times) |
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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.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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People about to have surgery must tell their health care providers about all supplements they take.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.