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Author Question: Which structure serves as an impenetrable barrier that prevents more than one sperm from fertilizing an egg? (Read 28 times) |
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
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The horizontal fraction bar was introduced by the Arabs.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.