While at a swimming pool, a student notices that familiar sounds are different when heard underwater.



Which statement explains this change in sound?

Answer options with 4 options
A.
Sound waves travel faster in water than in air.

B.
The pitch of sound waves decreases underwater.

C.
Sound waves form ripples in the pool that move across the surface.

D.
The amplitude of sound waves increases when moving from air to water.

B. The pitch of sound waves decreases underwater.