At this time, cannot be denied that very widespread of water pollution. Water pollution occurs when polutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds. There are many causes for water pollution, but general categories is direct and indirect contaminant sources. Direct sources include iffluent outfalls from factories, refineries, waste treatment plants and what else. Indirect sources include contaminants that enter the water supply from soils or groundwater system and the athmosphere via rain water. The effects of water pollution are varried. Unbalanced river and lake ecosystem that can no longer support full biological diversity, deforestation from acid rain and many other effects. In the next, it is about degradation of land resource and terrestrial features of earth. Polluted water may look clean or dirty, but it invariably contains germs, chemicals or other materials that can cause inconvinience, illness or death. So, we must think about water pollution that has occured and think that how to handle the problems of water pollution. If we can prevent it, it will not have an impact on future generations.
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