Water pollution of natural origin: rain, snow melt, storms, flooding into the waste water dirty, harmful organisms, including our bodies. Water pollution artificial origin : the release of toxic substances mainly as liquid as municipal waste, industrial, agricultural, transportation on the water environment. According to the nature of the polluting agents, it is divided among different cell types water contamination: contamination of inorganic, organic, chemical pollution, biological pollution, contaminated by physical agents. pollution of seawater, groundwater and marine pollution.
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