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Author Question: For the electronic motor drive shown, the purpose of the controller is to alter the frequency of the ... (Read 183 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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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.