Acid Rain :: Free Essay Writer

venereal infection rain downfallAcid rainfall forms when treat and nitrogen dioxides combine with wetin the atmosphere to produce rain, snow, or another affable of precipitation. Thiskind of pollution whitethorn as well as be suspended in mist or deposited in a dry form. Acidrain is about common in North America and Europe. Acid rain has also beendetected in other areas of the world such as tropical rain forests of Africa.Canada has placed limitations on the sulfur emissions. The United States hasnot, so the emissions may still drift into Canada.The dosage rain cycle begins with hundreds of power plants animatedmillions of tons of coal. Burning coal produces electricity for us. Coal ismade of carbon, still the coal that we mine is not pure carbon. It is mixed withother minerals. 2 of these are sulfur and nitrogen. Then the coal is burnedsome of the sulfur changes into sulfur dioxide and nitrogen changes intonitrogen oxide. These escape in to the air as poisonous accele rator pedales. Some smokestacksrelease chemicals like mercury, arsenic, and aluminum. Some of these mineralsare changed in to gases and others become tiny specks of ash. As thesechemicals drift, they may change again. They may defend with other chemicals inthe air. When sulfur dioxide combines with water, the result is sulfuric acid.When nitrogen oxide gas combines with water, the result is also another acid.When the clouds releases rain or other precipitation, the acid goes with it.This is called acid rain.The level of acid is measured in pH levels. The pH scale begins at 0and ends with 14. A reading lower than 7 is called acidic, and a reading higherthan 7 is called basic. Seven is neutral. Normal rain is slightly acidic with apH level of about 6.5. Rain with a pH of 5.5 is then times more(prenominal) acidic than average rain and rain with pH of 4.5 is a hundred times more acidic than normalrain. In parts of the country, rain with pH levels of 4.5 to 5.0 is common.An face scien tist named Robert Angus Smith discovered acid rain in1872, moreover no other scientist continued this study. Then in 1961 the Swedenwanted to receipt why the fish in their lakes were dying. Svante Odn discoveredthat the footing was acid rain. After Odns discovery, other scientist began tostudy acid rain too.Acid rain has destroyed plant and animal life in lakes, damaged forests