Answer – 20 percent
 A Blood Alcohol Level (BAL) of .12 reduces the distance a pedestrian can be seen by a driver by about 20 percent. Four standard drinks consumed during the first hour of drinking, will increase a person's BAL to about .1%
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In organic chemistry, a hydrate<span> is formed by the addition of hydrogen to another molecule to form a compound. ... By contrast, an anydrate or anhydrous material </span>does <span>not contain any water molecules. The water is usually removed by suction or by heating the substance to a high temperature.</span>