You should spend about 20 minutes on this task. The graph below shows the production levels of the main kinds of fuel in the UK between 1981 and 2000. Summarize the formation by selecting and reporting the main features and make comparisons where relevant. You should write at least 150 words.

The line graph illustrates the production levels of the main fuels in the UK over the 20-year period from 1981 to 2000.

Moreover

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,

this

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data consists of three items, namely petroleum, coal, and natural gas.

Overall

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, petroleum generally represented the highest quantity of energy use during

this

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period.

On the other hand

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, natural gas showed an upward trend, and coal presented a converse situation.

To begin

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with, despite the fact that petroleum approximately fluctuated between 100 and 145 billion

tonnes

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of

oil

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,

this

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consistently was higher than the other two fuels between the years 1981 and 2000.

Subsequently

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,

this

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item ultimately accounted for 140 billion

tonnes

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of

oil

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in 2000. Looking at the data on coal in detail,

this

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initially

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showed 80

million

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tonnes

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of

oil

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in 1981,

then

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plummeted to roughly 38

million

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tonnes

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in 1984.

Next,

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this

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surged to 60

million

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tonnes

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in 1986;

however

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, it gradually decreased, eventually representing around 33

million

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tonnes

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in 2000. As for natural gas,

this

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remained an unchanged trend (40

million

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tonnes

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) until 1990,

then

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surged to 100

million

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tonnes

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of

oil

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in 2000.