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when coal is burnt,the sulphur in the coal burns and produces sulphur dioxide.Sulphur dioxide come in contact of rain water particles and makes it acidic and often come down on earth as rain.This rain is called Acid rain.
{{Information |Description={{en|Downloaded from US EPA website: http://www.epa.gov/acidrain/images/origins.gif}} |Source=*
File:Origins.gif |Date=2009-06-16 13:28 (UTC) |Author=*
File:Origins.gif: Original uploader was [[:en:User:NHSavage|NHSav
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