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Author Question: Approximately what fraction of the U.S. population is at least 65 years old? A) 1/100 B) 1/30 ... (Read 39 times) |
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t
The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de