The graphs show the size of the Ozone layer hole in Antarctic and three productions of damaged gases to the Antarctic Ozone from 1980 to 2000. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The line charts illustrate the measure of

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a hole

the hole

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hole

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holes

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in the

Antartic

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Antarctic

Ozone and the

gases

which can produce

damages

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damage

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in that area during two decades.

Overall

, it can be clearly seen that there were increases in the hole and the

gases

of

CFC-

12 and N2O, whilst

CFC-

11 gas fell between 1980 and 2000.

To begin

, the Ozone of

Antartic

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Antarctic

Antarctica

experienced a hole in 1980 at around 500 thousand

of

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square km, rising steadily until 1990 and

fluctuated

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over the next 5 years, reaching

at

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almost 1500 thousand.

Furthermore

, it rocketed dramatically in 2000 and reached a peak at well over 3000 thousand. The Ozone layer is caused by three damaged

gases

in

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which the gas of

CFC-

11 was the majority in 1980

was

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at nearly 70 tonnes. It remained stable until 1983 and declined significantly over a period of 12 years and continued a slight decrease until

final

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the final

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year.

On the other hand

, the

CFC-

12 and N2O

gases

depicted a growth

although

they started in different

period

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periods

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.

CFC-

12 began at about 30 tonnes and rose gradually until 2000 and reached

at

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twice in that year,

whereas

N2O had no

productions

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production

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in 1990 and plummeted suddenly during a decade reaching

at

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above 20 tonnes.