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Author Question: Kevin, a high-school math teacher, claims that the U.S. educational system is performing better than ... (Read 1369 times) |
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Illicit drug use costs the United States approximately $181 billion every year.
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There are more bacteria in your mouth than there are people in the world.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.