What most distinguishes noise from music is the presence of

What most distinguishes noise from music is the presence of Regularity. Both of these relate to human power of hearing, the difference is that music is an arranged form of sounds which appeals to the aesthetic sense of human being while noise is a series of sounds with no regularity or harmony in it. Music and noise both have their good side as well as bad, with a common fact that any of them can be harmful for human ear when it is at a very loud frequency. 

where is the map so i can

c. reserves power to the states and people