The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Example of Index entry for an anatomic site with a cross-reference.
Rub the ears between your thumbs and index fingers. Follow the curves to rub the entire ear, ...