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![]() Date: 2008-08-06 10:06:48Earth Atmosphere Oxygen Ozone layer Polar vortex Ozone Stratosphere Polar stratospheric cloud Chlorofluorocarbon Atmospheric sciences Ozone depletion Environment | Source URL: www.ozone-sec.ch.cam.ac.ukDownload Document from Source WebsiteFile Size: 207,76 KBShare Document on Facebook |