state gov UPSSSC Forest Guard Mock Test 2023 General Knowledge Geography (World Geography) Climatology
The ozone layer in the Earth's atmosphere plays a critical role by blocking harmful ultraviolet radiation. Which compound was primarily responsible for ozone depletion, leading to international regulatory action?
1
Chlorofluorocarbons (CFCs)
2
Hydrofluorocarbons (HFCs)
3
Nitrous oxide
4
Methane