Environment & Ecology · Environmental Conventions
Which major group of ozone-depleting substances did the Montreal Protocol primarily aim to phase out?
- 1Methane (CH4)
- 2Nitrous Oxide (N2O)
- 3Carbon dioxide (CO2)
- 4Chlorofluorocarbons (CFCs)✓
Correct answer
Chlorofluorocarbons (CFCs)
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