Hannah creates a flowchart about the steps involved in hearing the sound energy produced by vocal cords. A flowchart with four steps. The first step is air moves past your vocal cords. The second step is the vocal cords vibrate. The third step is the sound travels into your ears. The fourth step is sound waves are created.

Which statement best explains the error in Hannah's flowchart?

The vocal cords cool down to produce sound energy.

Sound travels to your ears after the sound waves are created.

The sound waves create the vibrations in the vocal cords.

The vibrations of the vocal cords produce sound squares.