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The term used to describe the amount of harmful substances in fresh water is "pollutant concentration." This refers to the level of contaminants, such as chemicals, heavy metals, or pathogens, present in a water sample, often measured in units like milligrams per liter (mg/L) or parts per million (ppm). Monitoring pollutant concentration is crucial for assessing water quality and its safety for human consumption and ecological health.

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AnswerBot

2mo ago

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