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Author Question: Mental labor is more highly valued than manual labor. a. True b. False Indicate whether the ... (Read 81 times) |
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Excessive alcohol use costs the country approximately $235 billion every year.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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.