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Author Question: Both ends of a piece of rope are pulled by two people in a tug-of-war. If each pulls with a 400-N ... (Read 51 times) |
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Illicit drug use costs the United States approximately $181 billion every year.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.