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Author Question: Probably the first metal to be freed from its ore by smelting was A) aluminum. B) copper. C) ... (Read 36 times) |
Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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The longest a person has survived after a heart transplant is 24 years.