Dams built on the Colorado River in seven U. S. states have had what effect?
1) They have reduced the river’s force to almost nothing by the time it finally empties into the sea.
2) They have satisfied most of these states’ needs for electric power.
3) They have enriched the river water with nutrients and a variety of new species of fish.
4) They have created a cooperative working relationship among states, so federal government intervention is not needed to ensure fair water distribution.
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Dams built on the Colorado River in seven U. S. states have had what effect?
1) They have reduced...
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