Acid rain is a form of precipitation that contains high levels of sulfuric or nitric acids. In simple terms, acid rain is hail, rain, snow, or sleet that is more acidic than normal. Precipitation naturally is a little acidic but when the pH level drops below a set standard it is acid rain. In general, acid rain is a very complicated problem that is caused by many factors. In this paper, I will discuss how emissions caused by humans effect pH level in precipitation.
First, I will define, in detail, what acid rain is. Acid rain is precipitation that has a pH less than 5.6. The pH scale is a scale that measures if a compound is acidic, basic, or neutral. Neutral is in the middle which has a pH of 7. Basic has a pH between 7.1 and 14 and acidic has a pH between 6.9 and 0. For example, vinegar is acidic with a pH reading of 2.4. Normal precipitation has a pH between 6.9 and 5.9.
Acid rain is formed when sulfur dioxide and various nitrogen oxides combine with atmospheric......

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Title: Acid Rain
Approximate Word Count: 913
Approximate Pages: 4 (250 words per double-spaced page)

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