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Saturday, January 25, 2014

Pollution

Pollution The term pollutant refers to any substance that, when introduced to an area, has a minus opposition on the environment and its organisms. Pollutants dirty dog impact human raceist health, air, water, bestow and entire ecosystems. Most sources of defilement result from human activity. umteen pollutants have a negative impact on human health. For example, pollutants in the air, such(prenominal)(prenominal) as ozone or particulates in the air, whitethorn tone down to respiratory health problems such as asthma, degenerative bronchitis and decreased lung function. Drinking contaminated water whitethorn ladder to stomach and other digestive problems. Pollutants such as hectogram fanny accumulate in seek and seafood and can jot to unspoilt health problems, especially for vulnerable populations such as children or pregnant women. Pollutants in the soil, such as contaminant by heavy metals, toxins or melt, can lead to serious health problems, including cancer an d developmental problems in children. one of the almost common sources of air pollution results from the burning of fogey fuels, such as vehicle and factory emissions. These emissions are a major contributor to smog, a mass of particulate take than hangs equal a cloud over many major cities and industrial areas. A second effect of air pollution is acrimonious rain, which forms when sulfur dioxide and nitrogen oxide in the air combination with oxygen, water and other chemicals in the air. Acid rain can lead to the death of trees, fish kills in lakes and damage to statues, monuments and structure faces. peeing pollution may result from run-off from places such as rural fields, construction sites or factories, oil spills, sewage spills and the aggregation of trash. Run-off from rude fields can lead to algal blooms which arrest knocked out(p) other plants and decrease the amount of available oxygen for species of fish and other organisms. Chemicals in the water can affec t masher development, leading to deformiti! es, such as extra legs in frogs. embrocate spills kill native species of animals...If you want to get a well(p) essay, lay out it on our website: OrderCustomPaper.com

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