Air pollution occurs when wastes dirty the air. People reduce most of the wastes that cause air pollution. Such wastes can be in the form of gases or particles of solid or liquid matter. These substances result chiefly from burning fuel to power motor vehicles and to heat the buildings. Industrial processes and the burning of garbage also contribute to air pollution. Besides, there are other polluting substances that exist naturally in the air. They include dust, pollen, soil particles, and natu...
Đọc tiếp
Air pollution occurs when wastes dirty the air. People reduce most of the wastes that cause air pollution. Such wastes can be in the form of gases or particles of solid or liquid matter. These substances result chiefly from burning fuel to power motor vehicles and to heat the buildings. Industrial processes and the burning of garbage also contribute to air pollution. Besides, there are other polluting substances that exist naturally in the air. They include dust, pollen, soil particles, and naturally occurring gases.
The rapid growth of population and industry and the increasing use of automobiles and airplanes have made air pollution a serious problem. The air we breathe has become so filled with pollutants that it can cause health problems. It also harms plants, animals, buildings materials, and fabrics.
1. Where do most of wastes that cause air pollution come from?
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2. What contributes to air pollution?
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3. What are natural pollutants?
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4. What has made air pollution a serious problem?
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