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Author Question: The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reactant ... (Read 1548 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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.