Question

What is a sound wave

Answer 1

Answer:

A wave of sound!

Explanation:

sound waves are sound but sound comes in different wavelengths

Answer 2

Answer:

A wave of air our vocal chords create. Helium is lighter then air so our vocal chords easily make the sound making the wavelengths change and makes our voice high pitched. Sulfur hexafluoride is heavier then air so it makes the wavelengths change because our vocal chords are struggling. When we want to say something our vocal chords push air.

Explanation: Mark Rober and some random knowledge