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Author Question: List the key decisions that researchers must make in their questionnaire ... (Read 27 times) |
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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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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The longest a person has survived after a heart transplant is 24 years.