What best define sound intensity

C) the power of the sound wave per unit area

Explanation:

Options:

A) how fast the wave is traveling

B) the frequency of the sound wave

C) the power of the sound wave per unit area

D) the mass of the wave divided by its volume

Sound intensity refers to the amount of energy and power that is carried by a sound wave in a specific position or area in which it travels. In other words, it is the power and strength of a sound wave per unit area. It could be measured in decibels (dB) or, in other cases and less commonly, in watts per meter squared.