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Author Question: By the time they reach the age of 18, approximately what percentage of adolescents has had ... (Read 41 times) |
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.