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Monday 11 March 2013
ozone
ozone layer
Ozone layer z a layer in earth atmspher cntaining relitively highly cncntraitns of ozone(O
3
).Ozone layer can be depleted by redical crystals.Ozone z transprnt 2 mst UV-A.The cncntraitn of ozone in d ozone layer z very small.
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