Ques. Montreal protocol was signed in 1987 for control of
A. transport of genetically modified organisms from one country to another
B. emission of ozone depleting substances
C. release of greenhouse gases
D. disposal of e-wastes.
Answer:B
Ques. Montreal protocol was signed in 1987 for control of
A. transport of genetically modified organisms from one country to another B. emission of ozone depleting substances C. release of greenhouse gases D. disposal of e-wastes.