The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Carbon Dioxide Phase Diagram
The Carbon Cycle
Ionic Bonds: Cations vs. Anions
Functional Groups of Carbon
Exchange of Oxygen and Carbon Dioxide
In the reaction C(s) + O2(g) CO2(g) carbon is __________.