The Greatest Adaptive, Perceptual Advantage to Having Two Ears Rather

Multiple Choice

The greatest adaptive, perceptual advantage to having two ears rather than one is that

A) we are more easily able to localize sounds with two ears.
B) the head does not cast a sound shadow when there are ears on opposite sides.
C) sounds seem more pleasant when heard with two ears.
D) the cochlea functions more efficiently if both ears are functioning properly.