The Colorado River Is an Exotic Stream.This Means

The Colorado River is an exotic stream.This means

A) it mostly flows through arid environments,though its headwaters are located in a region of water surplus.
B) it contains a variety of exotic species,which it transports from its source to all regions through which it flows.
C) it crosses multiple countries,as well as states,in its path to the sea.
D) it is used for multiple purposes,including hydroelectricity generation,irrigation,water supplies,and recreation.