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Author Question: The principal quantum number of the electrons that are lost when iron forms a cation is ________. ... (Read 20 times) |
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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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The longest a person has survived after a heart transplant is 24 years.
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There are 20 feet of blood vessels in each square inch of human skin.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.