Please answer
George and Sally were arguing over the difference between a transverse wave and a longitudinal wave. Sally said that mechanical waves could be either transverse or longitudinal. George said that sound waves were longitudinal and not transverse. Who is correct and why?

A. Only Sally is correct because longitudinal waves and transverse waves are mechanical waves.

B.Only George is correct because sound waves are not transverse waves.

C. Both are correct since sound waves are mechanical waves.

D. Neither are correct.