Question

mention two accidents which had a serious effect on ozone layer​

Answer 1

Answer:

1. due to over use of Cfc's
2. due to the over use of fridges &acs the realsed gases led to depletion of ozone layer

Answer 2

Answer:The two accidents that had a very serious effect on the ozone layer are:

1) London smog and

2) The nuclear disaster at Cheranobyl ,a factory in Bhopal

Explanation:These had a very serious effect on the ozone layer.