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Author Question: The variable manipulated by a researcher in an experiment is called the _____ variable. a. ... (Read 75 times) |
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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If you could remove all of your skin, it would weigh up to 5 pounds.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.