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Band 8+: 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 emitted into the air by different income classes from 1990 to 2000, whereas the pie chart demonstrates the proportion of population represented by high, low and middle income groups in the world in 2000.

Overall, the low-income group recorded considerably lower figures, while the middle-income group experienced the most significant increase over the decade. In terms of population, the high income group held a dominant share.

The high income group amounted to 13 metric tonnes in 1990, followed by a 1 metric tonne drop to 12 in the following decade, while the middle income group experienced a considerable increase to 22 metric tonnes in 2000, up from 15 in 1990. A slight growth was observed in the low income group from 1 to 2 metric tonnes in a decade.

As for the proportion of populations, the share of high income was significantly larger than other remaning categories at 84%, far ahead of middle income which constitutes 34%,followed by the low income group at 18%.

Word Count: 173

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

income: 9

group: 7

metric: 4

middle: 3

tonnes: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by describing both the bar chart and pie chart, and it provides a clear overview of the main trends. The data is presented accurately, and the structure is logical. Minor issues include a slight inconsistency in the population percentages (which sum to over 100%) and a minor typo ('remaning'). To improve, ensure that all data points are consistent and proofread for small errors. Overall, the response is well-organized and covers the requirements appropriately.

Coherence & Cohesion

The report is well-organized with a clear overall structure: introduction, overview, and detailed paragraphs. The message is easy to follow, and paragraphing is logical. However, there are minor lapses in cohesion, such as the abrupt transition in the last paragraph ('As for the proportion of populations') and a slight lack of linking between the two main sections. To improve, use more cohesive devices to connect the bar chart and pie chart descriptions, and ensure each paragraph flows smoothly into the next.

Lexical Resource

The vocabulary is appropriate and varied, with good use of terms like 'illustrates', 'demonstrates', 'dominant share', 'considerable increase', and 'slight growth'. The report demonstrates a good range of lexical items, but there is room for more sophisticated and precise vocabulary, such as 'emissions' instead of 'amount of carbon dioxide emitted', and 'accounted for' instead of 'amounted to'. Also, avoid repetition of 'income group' by using synonyms like 'category' or 'segment'.

Grammatical Range & Accuracy

The grammar is largely accurate with a good range of structures, including complex sentences and appropriate use of tenses. There are a few minor errors, such as 'remaning' (spelling) and a missing space after a comma ('34%,followed'). Also, the phrase 'in the following decade' is slightly awkward; 'over the following decade' would be more natural. Overall, the grammar is strong, but attention to minor details would enhance accuracy.

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