Which of the following is a fossil fuel?

Write the harmful effects of using plastic bags on the environment. Suggest alternatives to plastic bags.

The most appropriate definition of a natural resource is that it is a substance/commodity that is

Which natural resource is depleting rapidly in the world?

$(a)$ "Forests are biodiversity hotspots". Give a reason to justify this statement.
$(b)$ State the meaning of "Sustainable Development".

Due to the active and willing participation of the local community,the Sal forests of Arabari underwent a remarkable recovery by $1983$. $A$ previously worthless forest was valued ₹ $12.5$ crores.
$(a)$ Explain how it became possible to bring such a change.
$(b)$ Mention any two values shown in this approach of forest management.