Respuesta :
the answer is D . temporarily displaced and return to their normal position whenthe wave passes.
Answer:
D.temporarily displaced and return to their normal position when the wave passes.
Explanation:
When a wave propagates in a medium, it does going through the particles that exist in that space.
Those are altered by the wave that crosses them but, that phenomenon only lasts the time takes to pass through, then the particles return to their natural state.