Q2 of 32 Page 303

What leads to greenhouse effect?

The greenhouse effect is caused by the trapping of the sun's energy by greenhouse gases such as carbon dioxide. Depletion of forests results in an increase in the amount of carbon dioxide in the atmosphere leads to greenhouse effect.


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2

Define wildlife.

 2

What are the reasons for depletion of forests?

 2

What do you mean by social forestry?

 2

Name bird species which are considered as endangered species.