Figure: Variations in ozone hole area
bk:l3k72lb xxvg qi30since 1979
Describe the trends seen in the graph
I.
The mean and maximum ozone hole area start to increase from 1979.
II.
The mean ozone hole area reached a maximum somewhere between 2000 and 2010.
III.
There is a downward trend from 2015 to the present for the mean ozone hole area.
.