Respuesta :
Three sources of point poloution is
- Manufacturing plants/factories (e.g., oil refineries, pulp and paper mills, chemical manufacturers, automobile manufacturers, food processors, pharmaceutical manufacturers)
Pollutants include petroleum, thermal pollution, poisonous compounds, heavy metals, and medications.
Plants for Sewage Treatment
Pollutants include nutrients and bacteria.
Point source pollution is defined by the United States Environmental Protection Agency (EPA) as "any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship, or factory smokestack." Factories and sewage treatment plants are two common types of point sources.
Oil spills and dumping are also significant contributors to point source pollution. Spilled grease, oil, and other dangerous compounds from overturned trucks and leaking autos have a significant impact on rivers and sewers.
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