The line graph depicts the amount of the main fuels in the three different types by the UK from 1981 to 2000.
Overall
, it can be seen that the Linking Words
production
levels of natural gas showed an increasing trend Use synonyms
while
coal recorded the opposite trend in the same year. Linking Words
On the other hand
, the Linking Words
production
levels of petroleum were quite volatile over the years.
Looking in more detail, Use synonyms
although
the results of natural gas Linking Words
production
remained the smallest in 1981 until 1991 at 40 energy units, Use synonyms
this
number rose steadily and surpassed Linking Words
coal
Correct article usage
the coal
production
level in 1991. Use synonyms
However
, Linking Words
Use synonyms
production
level of Add an article
the production
the
coal tended to decline from 1986 to 2000, dropping by 60 energy units to less than 40, becoming the lowest proportion among all categories in 2000.
The remaining fuel, petroleum, had the largest Correct article usage
apply
production
over the period, even though it was fluctuation in the first ten years. Use synonyms
This
fuel climbed to 140 in 1986 before Linking Words
dropped
to 100 in 1991. Change the form of the verb
dropping
Apart from
Linking Words
this
, after Linking Words
steady
for almost three years, it rose again and reached the final number Add a missing verb
being steady
at
140 in 2000.Change preposition
of
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