Q117
The pollutant that causes hole in the ozone layer is
A.
SF6
B.
nitrousoxide
C.
CFCs
AnswerD.
PFCs
Answer: Option C
Solution
Answer: Option C
Solution:
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).