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 any sound from the studio is well under his while he is in his bedroom.

The anwer is absolute threshold.

Explanation:

The absolute threshold is the least perceptible stimulus of any kind. In the example, Michael is concerned with his hearing absolute threshold. A common way of measuring it is to gradually increase a sound frequency until the person can perceive the sound. However, the stimulus must be detected at least 50% of the times.

answer; i believe that the correct answer is ; the eastern and western churches spoke different languages;

no one should discriminated against because he or she is not from a minority group