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Author Question: Which events are caused by the refraction of light through ice crystals? a. rainbows and halos ... (Read 165 times) |
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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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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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The human body produces and destroys 15 million blood cells every second.