The two pie charts show the percentage of pollutants
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Author
24-06-2025
In this IELTS academic writing task 1 post, you will get 2 model answers for the two pie charts show the percentage of pollutants. Analyzing the given sample answers can give you on how to respond to the complex pie chart task 1 questions. The key to writing a pie chart essay well is to extract the essential information from the chart and write it in a precise manner.
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The two pie charts show the percentage of pollutants - Question
You should spend about 20 minutes on this task.
The two pie charts show the percentage of the pollutants entering a particular part of ocean in 1997 and 2007. Summarise the information by selecting and reporting the main features and make comparisons where relevant.
Summarise the information by selecting and reporting the main features and make comparisons where relevant.
Write at least 150 words.

The Two pie charts show the percentage of pollutants - Model Essay 1
The given two pie charts give information about the percentage of different pollutants in the specific part of the ocean in the year of 1997 and 2007.
In 1997, the dominant percentage of pollutants entering into the ocean came from the air, which amounts to 30%, while in 2007, both pollutants from air and domestic sewage were the major source of pollutants.
The two major sources of pollutants in 1997 were air pollutants and marine. Marine pollution accounted for 22%, whereas domestic sewage comprised 18%. The least pollutant sources were litter and farm waste, which shared the same percentage, 4. And other causes of ocean contamination including industrial waste and offshore oil.
In 2007, domestic sewage and air pollutants produced the same percentage, 29. Compared to 1997 pie chart data, the percentage of domestic sewage was increased, while the marine pollutants decreased. The least damage to the ocean caused by the farm waste.
(153 words)
Check out: how to write task 1 writing pie chart
The Two pie charts show the percentage of pollutants - Model Essay 2
The two pie charts depict the various sources of pollutants entered in a specific part of the ocean for the two years.
The major source of pollutant during 1997 produced from the air, whereas, in 2007, both air pollutants and domestic sewage was the dominant cause of the ocean pollution. And, the least pollutant source in 1997 was litter and farm waste, whereas, in 2007 the farm waste had minimal percentage.
The responsible for 30 percent of the ocean contamination was pollutants from air. Marine pollution was the second most cause of the pollution occured in the ocean, which accounted for 22 percent. Industrial waste and domestic sewage nearly had the same percentage, 17 and 18. Other sources of pollutants included litter, farm waste and offshore oil.
Topmost pollution causing agents in 2007 was domestic sewage and the pollutants from air. It should be noted that both caused 29 percent of the pollution problem. 17 percent of contamination produced by marine pollution. It seems farm waste did not affect the ocean maximally as per the pie chart data concerns.
(179 words)
Read IELTS writing task 1 vocabulary for pie chart
Check out pie chart task 1 model answers
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Conclusion
In this article, you got two effective model answers for “the two pie charts show the percentage of pollutants” to tune up your essay writing skills. You can improve required academic writing task 1 skills by practising pie chart essays and getting feedback.
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