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Band 7+: The bar chart and pie chart show the amount of carbon dioxide (CO₂) emitted by three different income groups in 1990 and 2000, and the proportion of the world's population represented by each income group in 2000.

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Image for topic: The bar chart and pie chart show the amount of carbon dioxide (CO₂) emitted by three different income groups in 1990 and 2000, and the proportion of the world's population represented by each income group in 2000.

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The image displays a bar chart detailing carbon dioxide emissions in metric tonnes by income group for 1990 and 2000, and a pie chart showing the percentage of the world's population for each income group in 2000. In 1990, CO2 emissions were 13 tonnes for the High income group, 15 tonnes for the Middle income group, and 1 tonne for the Low income group. In 2000, these figures were 12 tonnes, 22 tonnes, and 2 tonnes, respectively. For the year 2000, the population distribution was 84% for the High income group, 34% for the Middle income group, and 18% for the Low income group.

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The bar chart illustrates the amount of carbon dioxide omitted into the air by various income groups from 1990 to 2000, whereas the pie chart demonstrates the proportion of the citizens represented by the high, low and middle-income groups in the world in 2000.

In general, carbon dioxide emissions rose for the middle and low-income groups between 1990 and 2000, and emissions for the high-income slightly declined. In terms of population, the high-income group made up the largest share of the world’s citizens.

The high-income group amounted to 13 metric tonnes in 1990, followed by 1 metric tonne drop to 12 metric tonnes in the following decade, while the middle-income group experienced a considerable increase from 15 metric tonnes to 22 metric tonnes. A slight growth was observed in the low-income group from 1 to 2 metric tonnes.

Turning to the percentage of the world’s population in 2000, the high-income group contributed 48% of the population. In contrast, the middle-income group was reported 34%, meanwhile the low-income group stood at 18%.

Word Count: 171

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Overall Band Score

7.5

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

group: 7

metric: 6

high-income: 4

tonnes: 4

groups: 3

middle-income: 3

low-income: 3

population: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by providing an overview and detailed data for both charts. The structure is clear, with a logical progression from the bar chart to the pie chart. The data is mostly accurate, though there is a minor error in the population percentage for the high-income group (stated as 48% instead of 84%). This is a small lapse that does not detract significantly from the overall response. To improve, ensure all figures are double-checked for accuracy. Additionally, consider using more varied vocabulary to describe trends and proportions, and ensure that the comparison between the two charts is explicitly highlighted.

Coherence & Cohesion

The report is well-organized with a clear introduction, overview, and detailed paragraphs. The use of cohesive devices such as 'whereas', 'In general', 'Turning to', and 'In contrast' helps the reader follow the information smoothly. The paragraphing is logical, separating the bar chart data from the pie chart data. Minor improvements could be made by ensuring a smoother transition between the two charts and avoiding any slight repetition of 'income group'.

Lexical Resource

The vocabulary used is appropriate and varied, with terms like 'illustrates', 'demonstrates', 'amounted to', 'experienced a considerable increase', and 'stood at'. The report demonstrates good control of lexical features, though there is room for more sophisticated and precise vocabulary, such as 'emissions' instead of 'omitted' (which is a spelling error) and 'proportion' instead of 'share'. Overall, the lexical resource is strong and effectively conveys the data. Pay attention to vocabulary repetition to improve the overall score.

Grammatical Range & Accuracy

The report uses a range of grammatical structures, including complex sentences and comparative forms. However, there are a few minor errors and awkward phrasings, such as 'omitted' instead of 'emitted', 'the high-income slightly declined' (should be 'the high-income group slightly declined'), and 'the middle-income group was reported 34%' (should be 'was reported to be 34%' or 'accounted for 34%'). These issues slightly affect clarity but do not impede overall understanding. With more careful proofreading, the grammatical accuracy could be improved.

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