I believe it is Gila river, San Juan river, The Green River, and the Gunnison river.
The answer is B :) jsjsjsjskJkkKk
Geologically, a high island or volcanic island is an island of volcanic origin. The term can be used to distinguish such islands from low islands, which are formed from sedimentation or the uplifting of coral reefs (which have often formed on sunken volcanos).
