Line Graphs (Single, Multi-Line & Dynamic Trends)
Master dynamic continuous trends, peaks, plateaus, fluctuations, sharp drops, and simultaneous comparative trajectories over time.
Focus on trajectory milestones: starting points, sharp ascents/descents, peaks, plateaus, intersections, and ending levels. Divide lines into 2 distinct thematic groups for the body paragraphs.
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Key Reporting Lexicon
Upward Movements
Downward Movements
Stability & Fluctuations
Carbon Emissions by Sector in the UK (1990–2020)
"The line graph below illustrates the amount of carbon dioxide emissions produced by three different sectors (Energy, Transport, and Agriculture) in the United Kingdom between 1990 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant."
A multi-line chart plotting CO2 emissions in millions of metric tonnes (MtCO2e) across 30 years for Energy, Transport, and Agriculture in the UK.
The line graph details carbon dioxide emissions generated by the energy, transport, and agriculture sectors in the United Kingdom from 1990 to 2020, measured in millions of metric tonnes (MtCO2e).
Overall, the energy sector experienced a dramatic and continuous decline in emissions, whereas agricultural output remained relatively stable. Consequently, transport surpassed energy midway through the period to become the largest single source of carbon emissions in the UK.
In 1990, the energy sector was by far the heaviest emitter, generating approximately 270 Mt of CO2. Over the subsequent three decades, this figure plummeted steeply, breaking below the 200 Mt threshold by 2005 before dropping precipitously to a low of approximately 78 Mt in 2020, representing an overall reduction of more than 70%.
In stark contrast, emissions from transport commenced at 125 Mt in 1990 and fluctuated mildly between 120 and 135 Mt over the 30-year period. By 2016, as energy pollution continued to plummet, transport overtook energy, culminating at roughly 122 Mt in 2020. Meanwhile, the agriculture sector released the lowest volume throughout, hovering consistently between 45 and 52 Mt.
Examiner Rules for Multi-Line Graph
- Whenever lines cross each other, always mention the year and significance of the intersection in either the overview or body paragraphs.
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