ECOLOGY
ENVIRONMENTAL ISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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clearcutting of trees
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emissions from factories and vehicles
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polluted farmland
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mining waste seeping into ground water
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Detailed explanation-1: -Emissions Over Time Fuel for electricity and heating, as well as non-ferrous smelters (producing such metals as nickel and copper are the largest sources of SO2 emissions in Canada, followed closely by emissions produced by the oil and gas sector.
Detailed explanation-2: -Acid rain is caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere, where they react with water, oxygen, and other chemicals to become sulfuric and nitric acid respectively. The pH of acid-impacted rain is generally below 4.5 on the pH scale.
Detailed explanation-3: -Emissions of sulphur dioxide (SOx) and nitrogen oxides (NOx) from coal-and oil-fired power plants, smelters, motor vehicles, and other human-related sources are the principal contributors to acid deposition, ground-level ozone, and particulate matter.