Why ozone hole is observed only over Antarctica?
Kindly refer to the following link
https://www.meritnation.com/ask-answer/question/why-ozone-hole-is-devoloped-in-antarctica/environmental-issues/2523125
https://www.meritnation.com/ask-answer/question/why-ozone-hole-is-devoloped-in-antarctica/environmental-issues/2523125