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Author Question: A spherically symmetric planet has four times the Earth's mass and twice its radius. If a jar of ... (Read 145 times) |
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.