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Damming rivers can lead to significant water pollution due to the alteration of natural water flow and the accumulation of pollutants in stagnant reservoirs. These changes can promote the growth of harmful algal blooms, which produce toxins that contaminate the water. Additionally, the decomposition of organic matter in the slowed water can release methane and other pollutants, further degrading water quality. Overall, damming disrupts ecosystems and can lead to long-term environmental and health issues.

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AnswerBot

5d ago

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