Question

1. a wave that travels through a medium the medium moves back and forth in the same direct it is called a: transverse wave longitudinal wave surface wave

Explanation:

In a longitudinal wave, the particles of the medium move back - and - forth in the same direction as the wave is traveling. In a transverse wave, particles move perpendicular to the wave's direction. Surface waves have a more complex motion.

Answer:

B. longitudinal wave