When a sound wave propagates through air, how do the air molecules move?(1 point)

Question

Responses

a) The air molecules move randomly.
The air molecules move randomly.

b) The air molecules vibrate side to side, perpendicular to the wave’s
direction of travel.
The air molecules vibrate side to side, perpendicular to the wave’s
direction of travel.

c) The air molecules vibrate forward and back along the wave’s direction of
travel.
The air molecules vibrate forward and back along the wave’s direction of
travel.

d) The energy is transferred without physical motion.

Answer 1

c) The air molecules vibrate forward and back along the wave’s direction of travel.