Question

Which of the following is a compressional/longitudinal wave?

А
water
B
fans doing the "wave" in a football stadium
С
light
D
sound

Answer 1

the answer is sound

Step-by-step explanation:

a sound wave in longitudinal

Answer 2

D. Sound

Step-by-step explanation:

Both А. water and B. fans doing the "wave" in a football stadium are both literal waves and are not examples of a compressional/longitudinal