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The graph compares the information about the principal resources of energy from 1980 to 1990 in the USA.

The graph compares the information about the principal resources of energy from 1980 to 1990 in the USA. Units are measured in percentage. It can be concluded from the graph that the oil kept its dominance, however it experienced a downward trend over the provided period, while hydroelectric and nuclear power registeted by far the lowest percentages. In detail, 1980, the utilization of natural gas and coal in the United States of America is much more higher, standing at 26% and 22% respectively. Although the figure for coal increased to more than a quarter, oil saw a considerable reduction and reached at 33% in the year of 1990. In terms of natural gas it declined from 26% to a quarter between 1980 and 1990, while nuclear and hydroelectric power are the remaining categories.

The graph compares the information about the principal resources of energy from 1980 to 1990 in the USA. Units are measured
 in percentage.

It can be concluded
 from the graph that the oil This phrase/word (depending on the context) can be potentially replaced with :retained
kept
 its dominance, however
 it experienced a downward trend over the provided period, while hydroelectric and nuclear power Possible spelling mistake found.registered
registeted
 by far the lowest percentages.

In detail, 1980, the utilization of natural gas and coal in the United States of America is much Use only “higher” (without ‘more’) when you use the comparative.higher
more higher
, standing at 26% and 22% respectively
. Although the figure for coal increased to more than a quarter, oil This phrase/word (depending on the context) can be potentially replaced with :witnessed
saw
 a considerable reduction and reached at 33% in the year of 1990. In terms of natural gas it declined from 26% to a quarter between 1980 and 1990, while nuclear and hydroelectric power are the remaining categories. 