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Author Question: ________ is an economic system in which individuals hold and invest in property. A. Capitalism ... (Read 28 times) |
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.