Chủ đề:
Đề kiểm tra học kì 2Câu hỏi:
Air pollution: Air pollution is the emission of pollutants, chemicals and gasses in the atmosphere. Noise pollution: Noise pollution off course includes the noise created by human activities, public and private transport such as aircrafts, etc. Water pollution: Water pollution is caused due to the discharge of waste water from industrial, domestic and commercial waste in the surface water. Soil pollution: Soil pollution is caused by the release of chemicals due to industrial, agricultural and other activities of living beings