Khadins,Bundhis,Ahars and Kattas are ancient structures that are examples for

Which of the following is not a fast-growing tree?

Differentiate between biodegradable and non-biodegradable substances with the help of one example each. List two changes in habit that people must adopt to dispose of non-biodegradable waste,for saving the environment.

In which regions are the severe effects of deforestation observed?

Select the eco-friendly activity among the following.

What are fossil fuels? Give two examples of fossil fuels.