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

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