The line graph illustrates data from the Annual Energy Outlook 2008 regarding the consumption of different energy sources in the United States from 1980, with forecasts extending to 2030. Summarise the key trends by highlighting and reporting the main features, and make comparisons where appropriate. Your response should be at least 150 words.

The line graph shows energy consumption by source in the United States from 1980 to 2030, measured in

quadrillion

Use synonyms

Btu

Use synonyms

, including projections sourced from the Annual Energy Outlook 2008.

Overall

Linking Words

, petrol and oil remain the dominant sources, and are projected to stay

highest

Correct article usage

the highest

show examples

by 2030. Natural

gas

Use synonyms

rises early,

then

Linking Words

levels off,

while

Linking Words

coal increases and is projected to overtake natural

gas

Use synonyms

. Nuclear, solar/wind and hydropower remain the least-used sources with only modest growth. Petrol and oil started at 35

quadrillion

Use synonyms

Btu

Use synonyms

in 1980, and dipped in the mid-1980s and mid-1990s to around 31-33,

then

Linking Words

rose to 40 by 2008, and are projected to rise to almost 50 by 2030. Natural

gas

Use synonyms

rose from 20

quadrillion

Use synonyms

Btu

Use synonyms

in the early years and

then

Linking Words

levelled off; it is projected to remain flat at around 22 by 2030. Coal increased steadily to 24

quadrillion

Use synonyms

Btu

Use synonyms

and is projected to overtake natural

gas

Use synonyms

, finishing below petrol and oil by 2030. Nuclear stood at 4

quadrillion

Use synonyms

Btu

Use synonyms

in 1980 and inched up to 8 by 2008; it is projected to remain roughly stable at around 7 by 2030. Solar/wind and hydropower started at similar low levels and are projected to stay low by 2030, with solar/wind rising modestly and hydropower remaining roughly stable.

shajingming

Dec 1, 2025

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Vocabulary: Replace the words quadrillion, btu, gas with synonyms.

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Vocabulary: The word "increases" was used 2 times.

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Vocabulary: The word "remain" was used 4 times.

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Vocabulary: The word "rises" was used 2 times.

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Vocabulary: The word "stay" was used 2 times.

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Vocabulary: The word "stable" was used 2 times.

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Vocabulary: The word "roughly" was used 2 times.

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Vocabulary: The word "around" was used 3 times.

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Vocabulary: The word "modest" was used 2 times.

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3
Linking words
meeting the goal of 7 or more
3
Word repetition
meeting the goal of 3 or fewer
1
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 9.0

Logical structure

Single idea per paragraph

Introduction & conclusion present

Accurate linking words

Variety in linking words

Lexical resource: 4.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 8.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 9.0

Complete response

Suitable writing tone

Appropriate word count

4 paragraphs

209 words

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