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   Ozone-oxygen cycle
   The ozone-oxygen cycle is the process by which ozone is continually regenerated in Earth`s stratosphere, all the while converting ultraviolet radiation into heat. In 1930 Sydney Chapman resolved the chemistry involved. The process is commonly called the Chapman cycle by atmospheric scientists. Most...
   Found op http://en.wikipedia.org/wiki/Ozone-oxygen_cycle
   
   

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