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Author Question: Which of the following was not among the technologies invented or improved by Thomas A. Edison? ... (Read 46 times) |
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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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.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.