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Acid Deposition (Acid Rain). Acid deposition comes in the form of either
dry, airborne acidic particles or precipitation. Dry acid ...
... In fact, acid deposition can be wet, where acidic gases and particles are removed
by rain or other precipitation, and it can be dry, where acidic gases and ...
... fuel and automobile emissions. Acid rain is the popular term but the scientists
prefer the term acid deposition. Acid rain can have ...
... Wet deposition is acid rain, fog, and snow. It affects a variety of plants and animals
as it circulates through the air and is absorbed into the ground. ...
... What's even worst than acid rain and its causes are the results. Acid deposition
can cause a number of disasters, some of the serious effects includes ...
Submitted by donovank on June 19, 2006
Category: Science
Words: 869 | Pages: 4
Views: 318
Popularity Rank: 35,123
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Acid deposition comes in the form of either dry, airborne acidic particles or precipitation. Dry acid deposition can come in the form of either sulfur dioxide gas or sulfur and nitrogen salts. Acid precipitation occurs in forms such as rain, snow, mist, and fog. With industry steadily increasing throughout the world, the problem of acid deposition grows. Acid deposition has many negative effects - on the environment, on the economy, and on human health. Action must be taken immediately to reduce acid deposition.
There are 2 main causes of acid deposition; natural causes and man-made causes. Natural causes include volcano emissions, lightning, and microbial processes, while man-made causes refer to industrial emissions and other man-made polluters, including automobiles. The acid in acid rain comes from two kinds of air pollutants-- sulphur dioxide and nitrogen oxides. When sulphur dioxide and nitrogen oxides are released into the atmosphere by smokestacks, fuel combustion, or natural causes, they combine with gaseous water in clouds and change to acids--sulphuric acid and nitric acid. Although some acid deposition is caused naturally, which is normal and is not a problem, the majority is created by fuel combustion, etc. All of this extra acid deposition that is not natural cannot be dealt with by the environment; therefore, acid deposition causes many problems.
The effects of acid rain in have been recorded in parts of the United States, the late Federal Republic of Germany, Czechoslovakia, the Netherlands, Switzerland, Australia, Yugoslavia and elsewhere. It is also becoming a significant problem in Japan and China and in southeast Asia. Rain with a pH of 4.5 and below has been reported in Chinese cities ("Japan and China"). Sulphur dioxide emissions were reported in 1979 to have nearly tripled in India since the early 1960s, making them only slightly less than the then-current emissions from the Federal Republic of Germany....
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