Lessons

9 lessons • 57m
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ENVIRONMENTAL POLLUTION:Overview (in Hindi)

1m 31s

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Pollution and its Pollutants (in Hindi)

5m 49s

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Air Pollution (in Hindi)

10m 08s

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Water Pollution (in Hindi)

8m 34s

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Sound Pollution (in Hindi)

5m 10s

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Radioactive pollution (IN HINDI)

7m 20s

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Solid wastes (IN HINDI)

4m 30s

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E WASTES (IN HINDI)

8m 23s

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BIOREMEDIATION (IN HINDI)

6m 03s

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