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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 2837 times) |
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Illicit drug use costs the United States approximately $181 billion every year.
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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.