A gently sloping, conical accumulation of alluvium deposited by a stream emerging from a rock gorge or rock notch found in desert basin and range area is known as a:
A)playas
B)alluvial fans
C)badlands
D)mesas

Question

Quizplus · Accepted Answer

Alluvial fans are deposits of sediment that accumulate where a stream emerges from a canyon or gorge, and the slope of the fan is typically gentle and conical in shape. Playas are dry lake beds, badlands are areas of heavily eroded terrain, and mesas are flat-topped mountains or hills.

A Gently Sloping, Conical Accumulation of Alluvium Deposited by a Stream