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The line graph illustrates the consumption of various sources of energy in the United State of American from 1980 to 2030.
Overall, it can be seen that petrol and oil are anticipated that will continually be the chief energy source. The consumption of the other sources will increase, except for hydropower.
There is a prediction that petrol and oil have used almost 50 quadrillion unites (50q) from 35q in 1980. The consumption of Coal and natural gas started at 15q and 20q respectively in 1980, and subsequently natural gas showed an initial decrease and coal had a gradual growth, with two fuel equal between 1985 and 1990. By 2014, both consumptions have climbed to the same number, at 25q, before that of coal will grew to 30q in 2030 and that of natural gas will level off.
Turning to remaining sources, energy from nuclear, solar and wind hydro- power were equal at 4q in 1980. Whereas the consumption of nuclear has a projection that will explode to 8q in 2030, that of hydropower experienced a fluctuation before it is forecast to remain stable at 4q in same time. Solar and wind also showed a variation between 1985 and 2010, before it has increased to 5q by 2030.