Q14Multiple choice
‘Ozone-hole’ means
- (a)a large sized hole in the ozone layer
- (b)thinning of the ozone layer
- (c)small holes scattered in the ozone layer
- (d)thickening of ozone in the ozone layer
Show answer
(b) thinning of the ozone layer
‘Ozone-hole’ means
(b) thinning of the ozone layer