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Author Question: When collecting data to conduct research, if the sample used is not random, ________ occurs. (Read 190 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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There are more bacteria in your mouth than there are people in the world.
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Your heart beats over 36 million times a year.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%