acid rain
Acid rain is a result of gas that dissolves in the rainwater. It can be found the form of rain, snow, fog or dust. Acid rain has been on the increase ever since the industrial revolution and has really become evident in recent decades. 70 percent of acid rain comes from SO2 that dissolves into the water to form sulphuric acid. The other 30 percent comes various oxides of nitrogen, mainly NO2 and NO3, as a group called NOx. More than 90 percent of the sulphur and 95 percent of the nitrogen emissions occurring in eastern North America are of human origin. These pollutants arise from the use of coal in the production of electricity, from base metal smelting, and from fuel combustion in vehicles. They can be also converted chemically into such secondary pollutants as nitric acid and sulphuric acid, both which dissolve easily in water. Sulphur dioxide is a byproduct of industrial processes and burning of fossil fuels. The main contributors of SO2 are coal fired generators, and natural gas processing. 61 percent of Canada’s emissions come directly from industrial sources, while 66 percent if the U.S.’ emissions are from the electrical utilities. The estimated transboundary
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Some common words found in the essay are:
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Approximate Word count = 1514
Approximate Pages = 6 (250 words per page double spaced)
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