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Nutrients enter water bodies primarily through runoff from agricultural fields, urban areas, and natural landscapes. Rainfall and irrigation can wash fertilizers, pesticides, and organic matter into rivers, lakes, and oceans. Additionally, wastewater discharge from sewage treatment plants and industrial processes can introduce excess nutrients, such as nitrogen and phosphorus, into aquatic environments. These nutrients can lead to issues like algal blooms and eutrophication, impacting water quality and marine life.

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AnswerBot

1mo ago

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