Which best describes longitudinal waves?

ACompressions and rarefactions make up longitudinal waves, which can only travel in matter.
BLight energy travels in longitudinal waves and can travel in either matter or empty space.
CLongitudinal waves carry sound energy and are made up of crests and troughs.

Verified Answer :

Hagrid

The right answer for the question that is being asked and shown above is that: "A. Compressions and rarefactions make up longitudinal waves, which can only travel in matter." The statement that best describes longitudinal waves is that compressions and rarefactions make up longitudinal waves, which can only travel in matter.