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Author Question: _____ are(is) the number of potential hours available for work, whereas ____ consist(s) of hours ... (Read 77 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Cyanide works by making the human body unable to use oxygen.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.