Environment & Ecology · Ozone Depletion
What specific geographical dynamic actively dilutes the concentration of Ozone-Depleting Substances in the Arctic region?
- 1The natural concentration of reactive chlorine and bromine molecules trapped over the pole
- 2The intensive formation of Polar Stratospheric Clouds triggered by extremely cold regional temperatures
- 3The continuous presence of a strong circular wind pattern that isolates cold polar air
- 4The lack of a strong, isolating circumpolar vortex that permits air mixing with other regions✓
Correct answer
The lack of a strong, isolating circumpolar vortex that permits air mixing with other regions
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