9th Class Science Natural resources Question Bank Natural Resources

  • question_answer
    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.

    E) None of these

    Correct Answer: B


You need to login to perform this action.
You will be redirected in 3 sec spinner