A) \[{{O}_{3}}\]
B) \[{{O}_{2}}\]
C) \[C{{O}_{2}}\]
D) \[{{H}_{2}}S{{O}_{4}}\]
Correct Answer: A
Solution :
Ozone layer is confined to the stratosphere. It is formed when sunlight reacts with \[{{O}_{2}}\]molecules. The ozone layer protects the earth from harmful UV-rays by absorbing them.
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