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The image depicts a line graph showing energy units from 1981 to 2000, where 1 energy unit equals the energy from one million tonnes of oil; petroleum starts around 70 units in 1981, peaks near 160 units in 1985, dips to 120 units in 1991, rises to 140 units in 1996, and ends around 135 units in 2000; coal starts near 90 units in 1981, declines to 40 units in 1986, maintains until a slight rise to 50 units in 1998, and ends just below 50 units in 2000; natural gas starts around 40 units in 1981, steadily ascends to 80 units in 1990, slightly fluctuates and continues upward to 120 units in 2000.
Given the complexity of the image, the above description may not be entirely accurate.
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The given graph depicts the data about three significant fuel produced in the UK in two decades from 1981 to 2000.
From the graph it is clear that, the major source of energy in fuel is petroleum meanwhile coal is the least used energy source.
Turning into details, In 1981 petroleum start from approximately 90 energy units then it increase rapidly in the following year however it decline gradually in 1991. Furthermore it have significant increment in subsequent year and reached 140 units in 2000.
Coal start from 80 energy units in 1981 then it plummeted in 1984 and reached 40 million tonnes . In contrast it have slight increment till 1994. Then it have gradual fall reached around 40 million tonnes and become the lowest fuel produced in UK
Natural gas has lowest start among both energy source and it have static trend in 1991 whereas it have significant increment and reached over 100 million tonnes.
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