A great video lecture conducted by experienced biology teacher on 12th class biology chapter 27 topic1 degradation and depletion of resources. Get full understanding or ask any questions.
Degradation and Depletion of Resources, ch 27, lec 2, Degradation and Depletion of Resources - Inter Part 2 Biology
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Degradation and Depletion of Resources, ch 27, lec 2, Degradation and Depletion of Resources - Inter Part 2 Biology
2:19
Modification of Environment, ch 27, lec 2, Degradation and Depletion of Resources - Inter Part 2 Biology
2:12
Man Impact on Environment, ch 27, lec 2, Degradation and Depletion of Resources - Inter Part 2 Biology
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