Lessons
16 lessons • 2h 6m
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Overview (in Hindi)
3m 40s
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Pollution and it's Types (in Hindi)
9m 04s
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Air Pollution (in Hindi)
7m 45s
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Types of Air Pollution (in Hindi)
7m 44s
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Questions Related to Pollution (in Hindi)
6m 04s
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Secondary pollutants
11m 54s
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Primary pollutant and acid rain
9m 41s
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Government intiatives to monitor air pollution
12m 26s
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Water pollution and it's causes
10m 17s
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Eutrophication and biomagnification
6m 55s