Question

How do sound waves move in air?

A) The wave particles diffract around a barrier.
B) The wave particles move in a curvilinear motion.
C) The wave particles move via acceleration; that is, they increase speed.
Eliminate
D) The wave particles displace one another, with particles replacing each other.

Answer 1

D

Step-by-step explanation:

D. The wave particles displace one another, with particles replacing each other.

Answer 2

D, because the air s moving as in longitudinal waves which means a wave vibrating in the direction of propagation, and progation means that the making of more and replacing