Contribution of individuals: Women of Garhwal/Himachal.

Which of the following human activities is responsible for desertification?

Which of the following statements is correct?

The Government of India has introduced a concept to work closely with local communities for the protection and management of forests,which is called:

$A$: Polyblend is a fine powder of recycled modified plastic.
$R$: The blend of polyblend and bitumen helps to increase road life by a factor of three.

Approximately $P$ fraction of the solar radiation reaching the Earth is reflected by clouds and gases,and another $Q$ fraction is absorbed by them.