Using Ahmed Khan's method in Bangalore,approximately $Q$ kilometers of road have been laid by the year $P$.

Which of the following is a non-renewable resource?

Which of the following pollutants are inevitably associated with the existence of man?

Which of the following steps can be taken to control global warming?
$I-$ Reducing the use of fossil fuels.
$II-$ Improving energy efficiency.
$III-$ Deforestation.
$IV-$ Afforestation.
$V-$ Increasing human population growth.

$LPG$ cooking gas is

Consider the following statements:
$I.$ Reforestation is the process of restoring a forest that once existed but was removed at some point of time in the past.
$II.$ Reforestation may occur naturally in a deforested area.
$III.$ $A$ tree plantation movement or Van Mahotsava is being carried out in India since $1982$.
Which of the statements given above are correct?