The bar chart shows how the area of the ozone hole over Antarctica has changed.
25
20
...
Biology, 11.02.2022 18:50 caroline5993
The bar chart shows how the area of the ozone hole over Antarctica has changed.
25
20
8915
average size of ozone hole
(million square kilometers)
5
Lili
10
5
0
1980 1990 2000 2012
year
a.
b.
Calculate the increase in its size between 1980 and 2000. (2mks)
Describe what has happened to the hole since the year 2000. (2mks)
Suggest a reason for this.
(2 mks)
C.
Answers: 2
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