A) To think over ozone layer depletion in stratosphere
B) To increase oxygen in atmosphere
C) To encourage agriculture
D) To use solar energy
Correct Answer: A
Solution :
In 'Earth summit' held in 1992 in Rio-de-Janeiro (Brazil), the whole world has adopted a proposal to stop use of CFC by the end of 2000. CFC is strong enemy of ozone and cause depletion of ozone layer.You need to login to perform this action.
You will be redirected in
3 sec