PLEASE HELP ME I WILL MARK IF CORRECT A student 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 student
C. The desk
D. The teacher