The graph below gives information from a 2008 report about consumption of energy in USA since 1980 with projections until 2030. USE SYNONYMS crewgroupsystementity It is important to use synonyms in your writing, as you will lose marks if you repeat words from the question and use the same words in your essay over and over. If you do that, it will show the examiner that you have a limited vocabulary and you want to do the opposite for a high band score. .

The illustration provides data correlated with the amount of energy consumed by Americans in six different kinds categories of fuels over the course of 40 years. Over the period shown, it seems that the by far most important sources of power got used by Americans were petrol and oil

while

the consumption of nuclear, solar/wind

,

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and hydropower always remained at the lowest levels. In 1980, people in the USA consumed about 35

quadrillion

units

of petrol and oil. In the same year, around 20

quadrillion

units

of coal and 17

quadrillion

units

of natural gas were used. Meanwhile, the figures for nuclear, solar/wind and

hydro power

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hydropower

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were exactly the same in 1980, about 4

quadrillion

units

. During the whole period shown, the consumption of petrol and oil, coal, and natural gas

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a slight increase and is projected to peak at about 48, 30, and 25

quadrillion

units

respectively in 2030. During

this

period, the amount of nuclear, solar/wind and

hydro power

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hydropower

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used stays relatively unchanged at approximately 5

quadrillion

units