Why has the Colorado River become an environmental issue?(1 point)

Question

Responses

Oil spills have polluted the river and threatened many species.
Oil spills have polluted the river and threatened many species.

Irrigation has severely reduced the flow of water.
Irrigation has severely reduced the flow of water.

Frequent flooding threatens endangered habitats in the Rocky Mountains.
Frequent flooding threatens endangered habitats in the Rocky Mountains.

River levels are rising rapidly as a result of climate change.
River levels are rising rapidly as a result of climate change.

Answer 1

The Colorado River has become an environmental issue primarily because irrigation has severely reduced the flow of water. This has led to various ecological and economic challenges in the region.