Since the 1920s, which factor has changed the Colorado River the most?(1 point)

Responses

humans
humans - no response given

drought
drought - no response given

wildlife
wildlife - incorrect

glacial movement

1 answer

The factor that has changed the Colorado River the most since the 1920s is humans. Human activities such as urban development, agricultural practices, water diversion, and dam construction have significantly impacted the river's flow, ecosystem, and overall health.