Astudent rests his right ear against his desk while a teacher taps lightly on the desk. the student can hear the tapping sound only through his right ear. when he lifts his head away from the desk he hears nothing.
what is the medium of the sound waves the student hears?
a. the air
b. the desk
c. the teacher
d. the student

Want fre points & brainliest? answer this drivers ed question correctly and i got you : ) where do you not need to look before you change lanes or pass another vehicle? a. out your window toward your target lane b. in your rearview mirror at cars behind you c. over your shoulder, at your blind spot d. inside the vehicle you plan on passing