Bell ringer. The Ozone Shield The ozone layer is the layer of the atmosphere at an altitude of 15 to 40 km in which ozone (molecule made up of 3 oxygen.
The ozone shield Ozone layer is an area in the stratosphere where ozone is highly concentrated. What is ozone? Ozone is a molecule made of three oxygen.
The ozone shield Ozone layer is an area in the stratosphere where ozone is highly concentrated.
