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