The two pie charts demonstrate the sources of
energy
in the United States of America in 1980 and 1990.
Use synonyms
Overall
, among Linking Words
oil
, natural gas, coal, hydroelectric and nuclear powers, Use synonyms
oil
remained the biggest source of Use synonyms
energy
in both years, Use synonyms
while
hydroelectric Linking Words
power
gained the least amount of Use synonyms
energy
in 1980 and 1990.
In 1980, Use synonyms
oil
and natural gas contributed 68% of the general Use synonyms
energy
production, with 42% and 26% , respectively. At the same time, coal produced 22%, Use synonyms
while
nuclear Linking Words
power
and hydroelectric Use synonyms
power
added only 10% to the Use synonyms
overall
contribution, with 5% from each.
Linking Words
Oil
production fell by more than 20% Use synonyms
according to
1980 to 33% in 1990. Natural gas remained almost the same with 25%, Linking Words
while
coal share increased by 5%, to 27% in 1990. Despite the fact that hydroelectric Linking Words
power
generated the same 5% as ten years earlier, nuclear Use synonyms
power
's share of the Use synonyms
overall
distribution doubled, to 10% in 1990.Linking Words