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Author Question: In the 1920s, the development of practical radio communication was furthered by A. its ability to ... (Read 212 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.