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Author Question: An object is placed 21 cm from a concave lens of focal length 25 cm. What is the magnification? ... (Read 23 times) |
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Excessive alcohol use costs the country approximately $235 billion every year.
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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.