Acid Rain and It’s Effects Acid rain is a form of precipitation containing a heavy concentration of sulfuric, nitric, and nitrous acids. The term is commonly used in referring to rain, snow, sleet, and hail that contain concentrations of acid. Acid rain has become an increasingly severe problem in North America and Europe, especially in urban areas. The acidity of a substance is measured using a pH scale, with the number 7 being of neutral …showed first 75 words of 1033 total…

…showed last 75 words of 1033 total…humans when they are being consumed. For example, mercury that accumulated in the organs and tissues of animals has been linked with brain damage as well as nerve disorders and death. Similarly, another metal, aluminum, present in the organs of animals, has been associated with kidney problems and recently was suspected to be related to Alzheimer's disease. Obviously, acid rain is an ever-growing problem, which we, as human beings, must address and strive to fix.