Task 1 : The pie charts below describe the electric energy production a major source of energy in the US. Write a short report for a university lecturer describing the information in the charts

The chart illustrates the production methods of electric energy in the United States in 1980 and 1990.

Overall

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, it is apparent that more utilisation of non-renewable energy resources was prevalent for the manufacture of electricity. There was a sharp decline in the use of nuclear power which was compensated

with

Change preposition

by

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increasing

Correct article usage

the increasing

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use of coal and oil. The use of fossil fuels was the predominant source of production of electricity in the US in 1990. The percentage of electrical production through coal jumped to 27% in 1990 from 22% in 1980.

Furthermore

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, the usage of oil

also

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increased to 10% in 1990 from 5% in 1980. The dependence on nuclear power reduced substantially from 42% in 1980 to 33% in 1990 in the country.

In contrast

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, the usage of hydroelectricity power for electricity generation remained constant at 5%

while

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there was only a slight decrease in utilisation of natural gas which only dropped by 1% over the decade.