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Author Question: Coal is used as a source of energy in many manufacturing processes. Assume a long strike by coal ... (Read 35 times) |
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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Approximately 25% of all reported medication errors result from some kind of name confusion.