See i need ? !

jaime knocks on roy's front door. the energy from jaime's hand striking the door causes it to vibrate, which causes air particles on the other side of the door to carry a sound wave toward roy's ear. the sound wave travels toward roy as the air particles a. move a short distance toward the door until they collide with other air particles. b. move up and down with the sound wave but do not move away from the door. c. move the entire length of the wave away from the door and toward roy. d. move a short distance away from the door until they collide with other air particles.