Line Graph

Band 6+: The graphs below show the production of renewable energy by source and the carbon dioxide (CO2) emissions from different sectors in Brazil between 2000 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The graphs below show the production of renewable energy by source and the carbon dioxide (CO2) emissions from different sectors in Brazil between 2000 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image displays a line graph titled "CO2 Emissions by Sector in Brazil, 2000-2020", with the y-axis labeled "Million Tonnes of CO2" (ranging from 50 to 250 in increments of 50) and the x-axis labeled "Year" (ranging from 2000.0 to 2020.0 in increments of 2.5). The graph plots four sectors across years 2000, 2005, 2010, 2015, and 2020: Agriculture & Land Use (dashed line, square marker) values are 250 in 2000, 280 in 2005, 220 in 2010, 200 in 2015, and 210 in 2020; Energy (solid line, circle marker) values are 100 in 2000, 120 in 2005, 150 in 2010, 180 in 2015, and 160 in 2020; Transport (dotted line, square marker) values are 80 in 2000, 95 in 2005, 115 in 2010, 130 in 2015, and 110 in 2020; Industrial Processes (dash-dot line, triangle down marker) values are 40 in 2000, 45 in 2005, 55 in 2010, 60 in 2015, and 50 in 2020.

Given the complexity of the image, the above description may not be entirely accurate.

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Note: Both the topic and the answer were created by one of our users.

The given line graphs provide information about the primary sources of renewable energy, as well as the CO2 emission categorized by sector in Brazil in the years between 2000 and 2020.

Overall, it is apparent that the main producer of clean energy in Brazil is hydropower while the primary contributor of CO2 emission is the transport sector.

Regarding the renewable energy sources, during the entire period hydropower accounts for the largest share of the generated energy, producing a total of 300 TWh in 2000 and continued to increase reaching almost 400 TWh in 2020. In contrast, solar power accounted for the least significant share of clean energy production, generating only about 10 TWh in 2020.

As for carbon dioxide emission, transport field generated the highest CO2 emission in 2005, causing almost 300 million tonnes. This figure declined significantly by 2015, dropping by 100 million tonnes to reach 200 million tonnes

Word Count: 150

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
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Grammar Mistakes: N/A

Vocabulary Repetition:

energy: 5

emission: 4

million: 3

tonnes: 3

Try using synonyms for the above words

Task Response

The report attempts to address the task but contains significant inaccuracies and omissions. It misidentifies the main CO2 emitter as transport, whereas the data shows Agriculture & Land Use had the highest emissions. The figures cited for transport (300 million tonnes in 2005, dropping to 200 million tonnes by 2015) do not match the provided data. Additionally, the report omits details on other sectors and does not provide a clear comparison across all sectors. To improve, ensure that the overview accurately reflects the main trends, and include specific data for all sectors with relevant comparisons. Avoid introducing unsupported information.

Coherence & Cohesion

The report has a clear overall structure with an introduction, an overview, and separate paragraphs for renewable energy and CO2 emissions. However, the overview is somewhat inaccurate (it states transport is the primary contributor, but the data shows agriculture is higher), and the report ends abruptly without a concluding sentence or a complete discussion of the CO2 sector trends. The use of cohesive devices is adequate but could be more varied. To improve, ensure the overview accurately reflects the main trends and provide a more balanced and complete summary of all sectors.

Lexical Resource

The vocabulary used is generally appropriate for the task (e.g., 'primary sources', 'categorized', 'contributor', 'significant share'). However, there is some repetition and lack of sophistication. For example, 'CO2 emission' is used repeatedly, and phrases like 'transport field' are awkward. To improve, use a wider range of synonyms (e.g., 'emissions', 'carbon output', 'sector') and more precise academic phrasing (e.g., 'the transport sector' instead of 'transport field').

Grammatical Range & Accuracy

The report demonstrates a reasonable range of grammatical structures, including complex sentences. However, there are several errors and awkward phrasings that affect clarity. For example, 'the main producer of clean energy in Brazil is hydropower while the primary contributor of CO2 emission is the transport sector' is a run-on sentence; 'transport field generated' is unidiomatic; and the final sentence is incomplete. To improve, proofread for subject-verb agreement, use correct prepositions, and ensure each sentence is complete and clearly structured.

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