Tell how the ozone layer protects life on Earth. The ozone layer exists in the stratospheric layer of the earth s atmosphere where ozone concentrations are nearly one thousand times higher than in the troposphere . Ozone is produced by lightning and solar irradiation of oxygen molecules. Ozone can be destroyed by catalytic reactions involving chlorine, bromine, etc. Chlorine has been directly implicated in the formation of the Antarctic ozone hole.
Ozone protects life on earth by absorbing most incoming solar ultraviolet radiation.