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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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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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There are approximately 3 million unintended pregnancies in the United States each year.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

The form and orientation of desert plants reduces heat gain from the environment and facilitates coo The form and orientation of desert plants reduces heat gain from the environment and facilitates coo
Ethics in social research are of vital concern to sociologists. As discussed in the text, ... Ethics in social research are of vital concern to sociologists. As discussed in the text, ...
Treponema pallidum using a modified Steiner silver stain. Treponema pallidum using a modified Steiner silver stain.
How to determine an equation in vertex form of a parabola How to determine an equation in vertex form of a parabola
A sampling of the modified and unusual bases found in tRNAs A sampling of the modified and unusual bases found in tRNAs
How to analyze transformations of a quadratic equation that is in vertex form How to analyze transformations of a quadratic equation that is in vertex form
Video: Supine Position

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