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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.
Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Controlled Experiments Manipulate a Variable
Many Natural Resources Can Be Sustained
Selected Natural Products
Typical Startup Cost Categories
Stages of Natural Fetal Birth "مراحل الولادة الطبيعية"