List Two Major Harmful Effects of the Following: - Biology
List two major harmful effects of the following:
Rivers contaminated with sewage.
Rivers contaminated with sewage:
(a) A number of waterborne diseases are produced by the pathogens present in polluted water, affecting humans as well as animals.
(b) The flora and fauna of rivers, sea and oceans is adversely affected.
Concept: Water Pollution and Its Causes
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