Water is the source of life, water is one of the basic requirements for all living things, it is an important condition for human existence and development. As everywhere in the city and others, many of the original crystal-clear stream, no longer exists, replaced by a section of the fetid drainage ditch. To understand its causes and reduce the harm of water pollution to people, enhance people's environmental awareness.Formation cause of river pollution follows: as far as we know, without professional treatment of industrial waste water, waste directly into rivers, streams, lakes, seas, it will cause serious water pollution. Lots of fertilizer and pesticide use, and pollution of water resources ... ... Contaminated water without treatment, generally cannot be used as drinking water. ② people tend to hooking, casually thrown in the garbage in the clear River, makes water dirty, smelly, became a fetid drainage ditch. Pollution of the surrounding environment, air, resulting in three losses. Third, some people often casually bring disposable lunch boxes, disposable plastic cup, and white plastic bags, Beck readily throw, just walk away. As long as the wind blows, plastic flies around, blow into the water, on the trees, they tend to move, over time, will penetrate into the deep water of pollutants. Water pollution, also contribute to pollution. II some sold vegetables of stalls, buy finished vegetables Hou, left has some bad of vegetables, often threw in side, on no longer tube has, some live in river side of family, often also put some bad has of dish threw to has water in, in yihou long of days in, smelly dish rot has, on serious of pollution has water resources, to makes Beck into has reeks of smelly ditch. ⑤ most vessels discharging oil, waste water, and killed all the fish. Some water plants, after using the water and dirty water back to the River, rapid pollution of water resources, there are plant pigments into the River, and more pollution of water resources. Really hateful! f has some hidden ponds were polluted, the water in the pond is Coca-Cola's colors. Pond several billions of waste, rotten food, not far away, still have a factory is sewage, how terrible this is
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