Question

Q.15) Which is water said to be polluted?
Ans.​

Answer 1

The water can become polluted due to the discharge of the anthropogenic contaminants like sewage discharge, industrial discharge and discharge of oils by waterways vehicles. The water is said to be polluted if it consists of large concentration of pathogenic cells of bacteria, protozoa and others.

Answer 2

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✎The water can become polluted due to the discharge of the anthropogenic contaminants like sewage discharge, industrial discharge and discharge of oils by waterways vehicles. The water is said to be polluted if it consists of large concentration of pathogenic cells of bacteria, protozoa and others.