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Author Question: For safety in climbing, a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter. When ... (Read 160 times) |
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Your heart beats over 36 million times a year.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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On average, the stomach produces 2 L of hydrochloric acid per day.