Question:
Which of the following statements is correct?
(i) The ozone hole is a hole formed in the stratosphere from which ozone oozes out.
(ii) The ozone hole is a hole formed in the troposphere from which ozone oozes
out.
(iii) The ozone hole is thinning of the ozone layer of the stratosphere at some places.
(iv) Ozone hole means vanishing of ozone layer around the earth completely.
Solution:
Option (iii) The ozone hole is thinning of the ozone layer of the stratosphere at some places is the answer.