This molecule, O3, is a pollutant low in the atmosphere; in the stratosphere, it absorbs harmful radiation
The upper layers of the stratosphere are heated by the presence of 
an ... atmospheric gases sort into strata according to their molecular... [DOC] [TLE] Ozone - Wikipedia [PAR] Ozone /ozon or trioxygen, is an inorganic molecule with the chemical 
formula O 3.