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Author Question: How much of the ocean's primary productivity is generated by seaweeds? a. Between 1 and 5 b. ... (Read 33 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.