关于污染的英语小短文 帮忙啦~~~~~~

Production caused by human activities, water body pollution. Industrial water pollution is the most serious cause. If industrial wastewater containing pollutants it more complex components, not only in water purification difficult, but also more difficult to deal with. Industrial wastewater, industrial pollution is the most important cause of water pollution is the cause. It accounted for the bulk of industrial emissions of pollutants. Pollutants in the industrial wastewater plant variety and diversity because, even similar factories, production processes, they do not contain the quality and quantity of pollutants. In addition to the industrial wastewater discharged directly into water bodies from pollution, solid waste and emissions will pollution to the water body. 。 。 。 。 。 First of all agricultural pollution is due to land reclamation projects farming land surface or loose in the soil and topography, rainfall is not stable, a natural water flows, increased water suspended object