Why is hot water discharge into rivers also considered as a cause of water pollution?

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Solution

Hot water discharge into rivers increases the temperature of rivers, which reduces the amount of dissolved oxygen in water. This makes it difficult for aquatic plants and animals to respire. Thus, hot water discharge is also considered as a water pollutant.

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Similar questions

Which of the following statement(s) is/are correct with regard to causes of water pollution?

Statement I: The discharge of sewage and garbage into river water is one of the main cause of water pollution.

Statement II: Contamination of rivers, lakes, etc., with heavy metals like lead, mercury, etc., can harm both aquatic and human beings.

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