48 lessons • 8h 15m

Introduction of Environmental Issues, Pollution & it's Kinds (in Hindi)

5m 36s

Pollutants and its Types (in Hindi)

9m 14s

Air Pollution, Sources & Types of Air Pollutants : Primary Air Pollutants (in Hindi)

11m 53s

Secondary Air Pollutants and Effects of Air Pollution on Humans (in Hindi)

8m 44s

Effects of Air Pollution on Plants and Climate (in Hindi)

10m 21s

Control of air pollution

12m 31s

Case study on air pollution

5m 57s

Multiple choice questions (1)

6m 57s

Water pollution & it's types

12m 21s

Effects of water pollution

11m 36s

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