The pie charts compare and contrast data on the change in the percentage of five main sources of energy for the USA between 1980 and 1990.
Overall, a clear look at the graphs highlight the fact that the percentage of oil and natural gas witnessed decreaces, the opposite was true for the percentage of coal and nuclear power. Besides, the figure for hydroelectric power stayed stable throughout the period shown.
Looking at the pie charts in the more detail, the proportion of oil began at 42% in 1980, which was the highest source of energy in the period. The proportion of natural gas and coal started lower than with 26% and 22% respectively while the figure of hydroelectric power was the same as nuclear power at 5%.
In 1990, the sources of oil experienced a significant drop of 9% and the figure for natural declined to 25%. There were a slight growth of 5% in the proportion of coal and nuclear power.
The pie charts compare and contrast data on the
change
in the percentage of five main sources of energy for the USA between 1980 and 1990.
Overall
, a
clear
look at the graphs highlight the fact that the percentage of oil and natural gas witnessed
decreaces
, the opposite was true for the percentage of coal and nuclear
power
.
Besides
, the figure for hydroelectric
power
stayed stable throughout the period shown.
Looking at the pie charts in the more detail, the proportion of oil began at 42% in 1980, which was the highest source of energy in the period. The proportion of natural gas and coal
started
lower than with 26% and 22%
respectively
while the figure of hydroelectric
power
was the same as nuclear
power
at 5%.
In 1990, the sources of oil experienced a significant drop of 9% and the figure for natural declined to 25%. There were a slight growth of 5% in the proportion of coal and nuclear
power
.