Why has the Colorado River become an environmental issue?A.Frequent flooding threatens endangered habitats in the Rocky Mountains.B.Oil spills have polluted the river and threatened many species.C.Irrigation has severely reduced the flow of water.D.River levels are rising rapidly as a result of climate change.Please help

Respuesta :

Answer: C. Irrigation has severely reduced the water flow.

Explanation: Irrigating with Colorado River water has caused some fields to become so salty that they have been abandoned.

Answer: C

Explanation: