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Author Question: The major difference between phosphorescent and fluorescent materials is A) a time delay between ... (Read 28 times) |
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There are 60,000 miles of blood vessels in every adult human.
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.