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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Example of a cladogram, or branching order, of the New World monkey Superfamily Ceboidea.
The Movius line separates regions of the world where Acheulean hand axes were made from regions wher
The U.S. Department of Agriculture offers the SuperTracker tool to help you track, analyze, and plan ...
How The World Is Urbanizing
Is there anything in life that is permanent, or is the world constantly changing?
World population density