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Author Question: Which form of subsistence involves intensive crop cultivation, use of plows and fertilizers, and ... (Read 32 times) |
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Illicit drug use costs the United States approximately $181 billion every year.