Thursday, November 3, 2016

Acid Rain

Image result for acid rainAcid rain is any other form of rainfall that is unusually acid, meaning that it has low pH. It can have harmful effects on plants, aquatic animals and basic structure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. Some governments have made efforts to reduce the release of sulfur dioxide and nitrogen oxide into the atmosphere with positive results. Nitrogen oxides can also be produced naturally by lightning strikes, and sulfur dioxide is produced by volcanic eruptions. The chemicals in acid rain can cause paint to peel, corrosion of steel structures such as bridges, and weathering of stone buildings and statues.

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