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From Wikipedia, the free encyclopedia
Acid rain or acid precipitation commonly used to mean the deposition of acidic components in rain, snow, dew, or dry particles. Acid rain occurs when sulfur dioxide and nitrogen oxides are emitted into the atmosphere, undergo chemical transformations and are absorbed by water droplets in clouds.
Acid rain is defined as any type of precipitation with a pH that is unusually low. Acid rain accelerates weathering in carbonate rocks and accelerates building weathering while destructing rivers, streams, and forest because many organisms cannot tolerate the unusually low pH.
