7. The energy needs of the United States in the 1990s have: fallen slightly fallen dramatically. risen dramatically. risen slightly.

## Brief ExplanationsThe energy needs of the United States in the 1990s have risen slightly. This is because during this period, the US was experiencing economic growth which led to an increase in energy consumption. However, the rise was not dramatic as there were also efforts to improve energy efficiency and conservation. # Answerrisen slightly.