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Lessons
9 lessons • 1h 18m
Water Pollution Basic Concepts (in Hindi)
7m 38s
Organic Pollutants (in Hindi)
10m 02s
Biological Oxygen Demand (in Hindi)
10m 07s
Pesticides (in Hindi)
9m 54s
Persistent Organic Pollutants (in Hindi)
8m 23s
Thermal pollution
8m 13s
Marine pollution
8m 04s
Ground water pollution
7m 53s
Wastewater treatment
8m 26s