Michael, a Famous Musician, Is Designing a New Apartment That

Multiple Choice

Michael, a famous musician, is designing a new apartment that will serve as both his residence and his recording studio.Since the music studio shares a wall with his bedroom, Michael wants to be sure that the recording studio is soundproof.This means that Michael wants to be sure that sound from the studio is well under his _____ while he is in his bedroom.

A) absolute threshold
B) difference threshold
C) papillae
D) minimum threshold