Question

choose the correct answer.
what is the best definition of a wave?
a wave is electric charges that flow through wires really fast.
a wave is a disturbance that transfers energy.
a wave is a disturbance that transfers matter.

Explanation:

A wave is defined as a disturbance that transfers energy. Electric charges flowing through wires is related to electric current. Waves do not transfer matter (particles return to original position after wave passes).

Answer:

A wave is a disturbance that transfers energy.