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Author Question: A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top ... (Read 3127 times) |
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Your heart beats over 36 million times a year.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.