Which statement best describes longitudinal waves?
(The answer is c i guessed and got it right)

A.

Particles of the wave medium move perpendicular to the direction of propagation of the wave.

B.

Longitudinal waves do not require a material medium for propagation.

C.

Particles of the wave medium move parallel to the direction of propagation of the wave.

D.

Particles of the wave medium move long distances from the source of the wave to carry energy.

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