What Is Acid Rain

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What is acid rain? Acid rain is any form of precipitation with high levels of nitric or sulfuric acids. It can also come in the form of snow, fog, and tiny bits of dry material that settle to Earth. What effects does it have on plant material? It robs the soil of essential nutrients and releases aluminum in the soil, which makes it hard for trees to take up water. Trees' leaves and needles are also harmed by acids and makes trees and plants less able to withstand cold temperatures, insects, and disease. How does it affect animals? Acid rain makes waters acidic and causes them to absorb the aluminum that makes its way from soil into lakes and streams. This combination makes waters toxic to crayfish, clams, fish, and other aquatic animals. It also affects the food sources of herbivores and insects. How does acid rain affect the environment? Acid rain has a hand in global warming as well which is rapidly changing climates around the world. With the climate changes many plants and animals are having to relocate or are dying because they are not fit for the changes in their surroundings. We created the Clean Air Act mandating cleaner gasoline for cars and trucks and stricter rules on power plant emissions. Thanks to this act the amount of mercury emitted into the air has been greatly reduced from 246 tons in 1990 to 61 tons in 2008. In the 1990s, the amount of NOx emissions into the atmosphere declined from 26 million tons in 1990 to about 17 million tons in 2008. The SO2 reductions during that time went from 23 million tons to 10 million tons a year. Mooney, M .(2014).EPA Can't Stop the (Acid) Rain. http://abcnews.go.com/US/epa-stop-acid-rain/story?id=18643424 Briney, A . (2014). The Causes, History, and Effects of Acid Rain.

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