6.5band
The pie chart illustrates the percentage of energy in different categories in the USA in 1980 and 1990. The pie chart illustrates the percentage of energy in different categories in the USA in 1980 and 1990.
Overall, it is clear that the amount of old and natural gas used by US citizens was the majority proportion in both years, while the remaining items had a gradual increase.
In 1980, Oil was the ...