The main graphs show the main sources of energy in the USA in 1980 and 1990

The main graphs show the main sources of energy in the USA in 1980 and 1990
The two pie charts provide information about
USA’s
Correct article usage
the USA’s
show examples
main
source
of
energy
from 1980 to 1990.
Overall
, Oil made up the largest
source
of
energy
in the USA,
while
hydroelectric
power
and nuclear
power
were the least in the 10-year
period
.
However
, Oil and natural gas experienced a decrease,
whereas
coal and nuclear
power
were
Unnecessary verb
apply
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increased. In 1980, that major
source
of
energy
was oil accounted for 42%,
however
Add the comma(s)
however,
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it fell significantly to 33%
at the end
of the
period
, but it remained the main
source
of
energy
for
USA
Correct article usage
the USA
show examples
.
In addition
, Natural gas made up 26% of the
energy
sources at the beginning of the
period
, and it dropped to 25% in 1990.
Whereas
, hydroelectric
power
remained constant throughout the
period
at 5%.
On the other hand
, coal made up less than one quarter as a
source
of
energy
in 1980, but it rose by 5% in 1990 making it the second main
source
of
energy
in the USA reaching 27%.
Although
nuclear
power
was one of the least
energy
source
Change to a plural noun
sources
show examples
in 1980, it experienced a rise to 10%
at the end
of the given
period
.
Submitted by dana-sh on

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Linking words: Don't use the same linking words: "at the end, however, whereas".
Vocabulary: Replace the words source, energy, power, period with synonyms.
Vocabulary: The word "remained" was used 2 times.
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