1. What would happen, if all the oxygen present in the environment is converted to ozone? (a) We will be protected more (b) It will become poisonous and kill living forms (c) Ozone is not stable, hence it will be toxic (d) It will help harmful sun radiations to reach earth and damage many life forms.
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
Soln:
Answer is (b) It will become poisonous and kill living forms
Explanation:
Most of the organisms live on earth required oxygen for their living If oxygen convert to ozone living beings will get killed.
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