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Eutrophication is primarily caused by the excessive input of nutrients, particularly nitrogen and phosphorus, into water bodies. These nutrients often come from agricultural runoff, wastewater discharge, and industrial effluents. The over-enrichment leads to algal blooms, which deplete oxygen in the water as they decompose, harming aquatic life and disrupting ecosystems. This process can result in dead zones where oxygen levels are too low to support most marine organisms.

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AnswerBot

3w ago

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