The graphs below show the size of the ozone hole over Antarctica and the production of three ozone-damaging gases from 1980 to 2000. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The two-line graphs depict the

size

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of the

ozone

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hole

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over Antarctica and the three damaging gases to the

ozone

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layer.

Overall

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, a glance at the graph reveals that CFC and N20 are the gases that cause the most damage to the

ozone

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layer in the

last

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two decades of the twentieth century.

Initially

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, in the

year

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1980, the

size

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of the

ozone

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hole

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was considerably smaller below thousand square

kilometers

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kilometres

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. Over the years the

size

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of the

ozone

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hole

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increased significantly. In the

year

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1990, the

size

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of the

ozone

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hole

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expanded

over

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to over

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two thousand square

kilometers

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kilometres

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.

This

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was followed by a steady decline in the

size

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in the

year

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1993.

Further

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after the

year

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1993, the

size

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of the

ozone

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hole

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expanded to above 4000 square

kilometers

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kilometres

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which

were

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was

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significantly larger than any other

year

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. In the

second

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graph, first two decades the amount of N20 Gas was higher at about 60

million

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tons

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but during the later

years

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,years

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the production of N20 declined drastically. In 1980, the amount of

CFC-

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11 and

CFC-

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12

were

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was

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lower at 30

million

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tons

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. In 1990, the amount of

CFC-

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11 And

CFC-

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12 rose dramatically. In the subsequent years,

CFC-

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12 reached above 40

million

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tons

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while

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CFC-

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11 rose above 20

million

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tons

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.