IELTS Writing Correction Service
Writing Samples
Band 7.5

The line graph differs the amount of nitrogen oxide by four types of vehicles. Summarise the information by selecting and reporting the main features, and make comparisions where relevant.

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he
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The
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 line graph illustrates the
nitrogen
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oxide
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emissions
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 produced by
Buses
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, Lorries, Petrol
cars
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 and
diesel
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cars
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.
Overall
Linking Words
, the line graph demonstrates that
Buses
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 were responsible for higher
nitrogen
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oxide
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emissions
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, whilst
diesel
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cars
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 were more environmentally friendly with fewer
emissions
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. Interestingly, the figure for Petrol and
diesel
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cars
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'
emissions
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 remained relatively low regardless of the speed of the vehicles.
To begin
Linking Words
 with,
Buses
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 were generating roughly 40g/
km
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 of
nitrogen
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oxide
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while
Linking Words
 driving at 10kph.
Emission
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 rates went down at a faster speed, and
Buses
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 recorded their lowest
emission
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 productions of around 30g/
km
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 at 60kph speed.
This
Linking Words
 figure went up again as the bus crossed the speed limit of 70kph, reaching a peak of approximately 45g/
km
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 at 130kph.
Similarly
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, Lorries emitted just under 35g/
km
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 of
nitrogen
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oxide
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 at 10kph. As the Lorry started driving at a higher speed,
emission
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 rates were lessened to about 20g/
km
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.
However
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, once a Lorry crossed the 90kph mark,
emission
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 rates went up again.
On the other hand
Linking Words
,
Diesel
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cars
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 contributed just over 5g/
km
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 of
nitrogen
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oxide
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emissions
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.
This
Linking Words
 number remained the same regardless of their speed.
Furthermore
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, around 10g/
km
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 of
nitrogen
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 oxides are produced by petrol
cars
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 from 10kph to 130kph speed.

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Vocabulary: Replace the words nitrogen, oxide, emissions, buses, cars, diesel, g, km, kph, emission with synonyms.
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Vocabulary: The word "graph" was used 2 times.
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Vocabulary: The word "figure" was used 2 times.
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Vocabulary: The word "figure" was used 2 times.
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Vocabulary: The word "went down" was used 3 times.
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Vocabulary: The word "remained" was used 2 times.
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Vocabulary: The word "around" was used 2 times.
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Topic Vocabulary:
  • emissions
  • nitrogen oxide
  • vehicle types
  • observed period
  • significant increase/decrease
  • emission levels
  • intersections
  • overtakes
  • largest/smallest emitter
  • conclude
  • overall trend
  • emission rankings
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