Which of the following is considered as major source of pollution in rivers of India?
Unregulated small scale industry
Thermal power plants
Question 1 Explanation:
Canals, rivers and lakes in India often serve as dumping grounds for sewage, solid and liquid wastes. These are sources of water pollution, as illustrated in Tamil Nadu (above) and West Bengal (below). Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. Other sources of pollution include agricultural runoff and unregulated small scale industry. Most rivers, lakes and surface water in India are polluted https://en.wikipedia.org/wiki/Water_pollution_in_India
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