Sam and reagan are arguing about waves. sam says that sound waves are transverse, but reagan says they are longitude. who is right and why ?

The correct answer is Reagan is right because sound waves are compressional waves.

Reason is because Sound is transmitted through gases, plasma, and liquids as longitudinal waves, also called compression waves. It requires a medium to propagate. Through solids, however, it can be transmitted as both longitudinal waves and transverse waves.