Which feature on this diagram is an arête?
A)1,the circular depression at the head of the valley
B)2,a lake in the upper valley
C)3,a steep ridge
D)4,a valley that is above the level of the main valley

Question

Which feature on this diagram is an arête? 
A)1,the circular depression at the head of the valley 
B)2,a lake in the upper valley 
C)3,a steep ridge 
D)4,a valley that is above the level of the main valley

Quizplus · Accepted Answer

An arête is a sharp, narrow ridge that forms between two adjacent glaciers. In this diagram, feature number 3 represents a steep ridge, which matches the description of an arête. The other features do not fit the definition of an arête as described.

Which Feature on This Diagram Is an Arête