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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 7310 times) |
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.