Lesson 6 of 6 • 9 upvotes • 14:55mins
This lesson describes the effect of human activities on environment. This lesson also deals with ozone, ozone layer, CFCs, garbage disposal.
6 lessons • 1h 11m
Overview (in Hindi)
3:44mins
Environment and Ecosystem (in Hindi)
12:58mins
Producers, Consumers and Decomposers (in Hindi)
11:04mins
Food chain, Food Web and Trophic Levels (in Hindi)
13:55mins
Flow of Energy and Biological Magnification (in Hindi)
15:00mins
Effect of Human Activities on Environment (in Hindi)
14:55mins