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Band 6.5

The two graphs show the main energy sources in the USA in the 1980s and the 1990s.

The two graphs show the main energy sources in the USA in the 1980s and the 1990s.
#two #graphs #show #energy #sources #usa
The pie charts display the primary
power
 sources in the United States between 1980 and 1990.
Overall
,
oil
,
gas
 and coal were the vast majority of the main
energy
 sources in the USA throughout the period.
While
 the usage of
oil
 and natural
gas
 decreased over time, nuclear
power
 and coal increased their value significantly. In 1980,
oil
used
Add a missing verb
was used
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 as the main
energy
 source in the USA with 42%, demonstrating the most significant
energy
 alternatives compared to others. Natural
gas
 and coal
used
Add a missing verb
are used
show examples
 by just above a quarter and almost a quarter respectively. Both hydroelectric and nuclear
power
 were only used by 5% as the main
energy
 source in
United
Correct article usage
the United
show examples
 States. After a decade,
oil
protecting
Wrong verb form
protected
show examples
 its leadership with a small drop of 9%. The proportion of natural
gas
 decreased slightly by 1%;
however
, the proportion of coal increased by 5% and replaced natural
gas
 as the second biggest
energy
 source in the USA in 1990.
While
hydroelectic
Correct your spelling
hydroelectric
power
 stayed at the same level
of
Change preposition
in
show examples
 1980, the percentage of nuclear
power
 doubled by 1990.
Submitted by historicalpen on

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Sentences: Add more complex sentences.
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Linking words: Don't use the same linking words: "while".
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Vocabulary: Replace the words power, oil, gas, energy with synonyms.
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Vocabulary: Rephrase the word "undefined" in your introduction.
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Vocabulary: The word "proportion" was used 2 times.
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Vocabulary: The word "decreased" was used 2 times.
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Vocabulary: The word "increased" was used 2 times.
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Vocabulary: The word "significantly" was used 2 times.
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