Which plant leaves are used to make $Bidis$?

$(a)$ Why are coal and petroleum called fossil fuels?
$(b)$ Name any two elements present in fossil fuels in addition to carbon.

"Burning of fossil fuels results in global warming". Give reasons to justify this statement.

How did the 'Chipko Andolan' ultimately benefit the local population? Give any two benefits.

Non-judicious use of forest resources has a very little effect on biodiversity.

Among the statements given below,select the ones that correctly describe the concept of sustainable development:
$(i)$ Planned growth with minimum damage to the environment.
$(ii)$ Growth irrespective of the extent of damage caused to the environment.
$(iii)$ Stopping all development work to conserve the environment.
$(iv)$ Growth that is acceptable to all the stakeholders.