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Author Question: What percentage of Africa's surface soil is suitable for crop cultivation? A) 10 percent B) 20 ... (Read 134 times) |
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There are 60,000 miles of blood vessels in every adult human.
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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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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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Illicit drug use costs the United States approximately $181 billion every year.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.