Participation of the local people can indeed lead to the efficient management of forests.

How does mining disturb ecological balance? Explain.

State one reason for the conservation of forest and wildlife.

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.

From what is coal gas obtained?

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