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 graphs illustrate

distribution

Add an article

the distribution

show examples

of

main

Correct article usage

the main

show examples

sources of

power

to produce electricity in the United States in 1980 and 1990.

Overall

, it can be seen that the consumption of oil and natural gas decreased,

while

nuclear

power

and coal increased their popularity over time. In 1980, oil was the most favoured source of energy

by

Change preposition

apply

show examples

making up 42% of total depletion and did not lose its position even after 10 years.

This

trend was followed by coal, which outnumbered crude oil as the second most used source of

power

and accounted for more than

one quarter

Add a hyphen

one-quarter

show examples

of

whole

Add an article

the whole

show examples

. Natural gas saw a slight

fell

Replace the word

fall

show examples

in popularity and made up 25% in 1990. Regarding other types of fuels, the hydroelectric method of collecting

power

made

Add a missing verb

is made

show examples

up

the

Change preposition

of the

show examples

same percentage of 5 for

given

Correct article usage

a given

show examples

two years.

On the other hand

, the amount of energy produced by nuclear

power

witnessed an increase of 50%.