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| 1. |
He phenomenon of polar vortex accelerates the ozone depletion |
| Answer» EXPLANATION:The Coriolis effect (CAUSED by the EARTHS rotation) sets up a strong westerly circulation around the south POLE, forming an oblong vortex which varies in size from year to year. As temperatures in the lower stratosphere cools below -80'C, Polar Stratospheric Clouds (PSC's) start to form. | |