Question

Ozone is formed in the upper atmosphere by a photochemical reaction with

Answer 1

Stratospheric ozone is formednaturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up 21% of theatmosphere. ... In the second step, each of these highly reactive atoms combines with an oxygen molecule to produce an ozone molecule (O3).

Answer 2

Answer:

Stratospheric ozone is formed naturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up 21% of the atmosphere.