Pollution And Acid Rain
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Acid rain is rainfall that has been acidified. Rain is acidified by oxides of sulfur and nitrogen. Acid rain usually has a pH of less than 5.6. |
Acid rain is formed when pollutants called oxides of sulfur and nitrogen, contained in power plant smoke, factory smoke, and car exhaust, react with the moisture in the atmosphere. Dry deposition, such as soot and ash, sleet, hail, snow, smog and low level ozone are forms that acid rain can take, despite its name.The worst offenders are sulphur and nitrogen oxides produced in various industrial and power generation processes – catalysts of acid rain and various other health ailments. Electric power plants account for about 70 percent of sulfur dioxide emissions about 30 percent of nitrogen oxides emissions. Cars, trucks and buses also are major sources of nitrogen oxides.
Acid Rain causes acidification of water sources like lakes and streams. This has an immediate and adverse impact on aquatic life. Many modern companies now use very tall smoke funnels to avoid impacting the local area. But due to this pollutants are carried much further and have been shown to cause widespread ecological damage. High altitude forests are also especially vulnerable as they are often surrounded by acidic cloud and fog. Buildings and monuments are also being impacted by acid rain, with the inscriptions on many monuments becoming completely illegible.
Acid rain is only one form of pollution but the effects of acid rain are numerous.
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