Question

formation of ozone layer

Answer 1

$\textbf{Answer is in Attachment !}$

Answer 2

High in the atmosphere, some oxygen (O2) molecules absorbed energy from the Sun's ultraviolet (UV) rays and split to form single oxygen atoms. ... The thin layer of ozone that surrounds Earth acts as a shield, protecting the planet from irradiation by UV light.
Ozone is naturally produced in the stratosphere by a two- step reactive process. In the first step, solar ultraviolet radiation (sunlight) breaks apart an oxygen molecule to form two separate oxygen atoms.
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