Question

As longitudional waves travel, particles in the medium are pushed together and then pulled apart. We call this

a disturbance and propagation.
compression and rarefaction.
construction and destruction.
an equilibrium and oscillation.
The answer isn't D

Answer 1

compression and rarefaction

Step-by-step explanation:

I took the test

Answer 2

compression and rarefraction, the other guy's answer it's wrong