The process by which heated water or material is discharged into waterways,upsetting the water's ecological balance and decreasing its oxygen content as a result,is defined as ________.

Question

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Thermal pollution is caused by the discharge of heated water or material into waterways, which upsets the ecological balance of water and decreases its oxygen content. Land pollution is caused by the deposition of waste materials on land, while radioactive pollution is caused by the release of radioactive substances into the environment. Air pollution is caused by the release of harmful chemicals and particles into the air.

The Process by Which Heated Water or Material Is Discharged