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3 days ago · Normal rain typically has a slightly acidic pH, ranging from 5 to 5.5. This is due, among other things, to atmospheric CO 2 reacting with water to form carbonic acid (H 2 CO 3 ), which lowers the pH of the rain. In contrast, the pH of acid rain is significantly lower, usually between 4.2 and 4.4.
2 days ago · Freshwater acidification. Diagram depicting the sources and cycles of acid rain precipitation. Freshwater acidification occurs when acidic inputs enter a body of fresh water through the weathering of rocks, invasion of acidifying gas (e.g. carbon dioxide ), or by the reduction of acid anions, like sulfate and nitrate within a lake. [1]
4 days ago · Acid deposition reaches Earth's surface in the form of particulates, it ends up in rivers and lakes, affects soils and plants and even influences human-made structures. The impacts are largely negative. Vegetation is also damaged by the effects of acid precipitation. Box 1 shows the impact of acid deposition on terrestrial ecosystems.
4 days ago · Complete answer: Acid rain happens when the quantity of Sulphur dioxide and nitrogen oxides exceeds the threshold limit and is transported by wind and air currents. These oxides react with oxygen and water to form nitric and sulfuric acids. When rain happens, they get mixed up with water and come down to the earth’s surface.
3 days ago · Acid Rain: The Southern Co. (A) Description. The Southern Co., an electric utility, is planning its compliance with the 1990 amendments to the Clean Air Act. The Act established a system of tradeable permits for sulfur dioxide emissions.
5 days ago · Niwot Ridge in the Rocky Mountains is slowly recovering from increased acidity caused by vehicle emissions in Colorado's Front Range, suggesting that alpine regions across the Mountain West may...
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2 days ago · Sulfuric acid is rarely encountered naturally on Earth in anhydrous form, due to its great affinity for water. Dilute sulfuric acid is a constituent of acid rain, which is formed by atmospheric oxidation of sulfur dioxide in the presence of water – i.e. oxidation of sulfurous acid. When sulfur-containing fuels such as coal or oil are burned ...
