Ozone layer is mainly damaged by:
A. Carbon dioxide
B. CFCs
C. Methane
D. Sulphur dioxide
Answer:B
Ozone layer is mainly damaged by:
A. Carbon dioxide B. CFCs C. Methane D. Sulphur dioxide
Explanation: The use of chemicals like CFCs has endangered the ozone layer. The decrease in the amount of ozone in earth's atmosphere has been linked to synthetic chemicals like chlorofluorocarbons (CFCs). CFCs are used as refrigerants and in fire extinguishers.