. Addition of disease causing organisms in water is called water


(a)          harvesting.

(b)          collection.

(c)           vapour.

(d)          contamination.

Best Answer

(d) contamination

Impairment of water quality to a degree that reduces the usability of the water for ordinary purposes or creates a hazard to public health through poisoning or the spread of diseases is termed as water contamination.

 

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