I might be wrong but I think C ( what the wave it traveling through). I think C because a wave medium is the substance that carries a wave (or disturbance) from one location to another. The wave medium is not the wave itself and it doesn’t make the wave. It just Carries or transports the wave from its source to other locations.
Bluefish
Sawfish
Hellbender
Answer:
A) Electrical energy flowing into the fan from the wall outlet
Explanation:
