- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A machine requires 3 hours to make a unit of Product A, and 6 hours to make a unit of Product B. The ... (Read 169 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.