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Eutrophication occurs when excess nutrients, particularly nitrogen and phosphorus, enter water bodies, often from agricultural runoff and wastewater. This nutrient overload stimulates excessive algae growth, leading to algal blooms that can deplete oxygen in the water, harming aquatic life and disrupting ecosystems. As the algae die and decompose, further oxygen depletion occurs, creating "dead zones" where most aquatic organisms cannot survive. Additionally, some algal blooms produce toxins that can be harmful to both marine life and human health.

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1mo ago

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