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Difference between revisions of "Polar vortex"
Created page with "350px|thumb|Ozone concentration in the Southern Hemisphere on 22 February 2012 A '''polar vortex''' is an upper level low-pressure area lying..."
Westarctica (talk | contribs) (Created page with "350px|thumb|Ozone concentration in the Southern Hemisphere on 22 February 2012 A '''polar vortex''' is an upper level low-pressure area lying...") |
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