64.( )Study that diagram below. would be the quietest.
|
Room Noise
Level A 40~65 decibels B 35 decibels C 120 decibels D 130 decibels |
A.Room A B.Room B C.Room C D.Room D
64.( )Study that diagram below. would be the quietest.
|
Room Noise
Level A 40~65 decibels B 35 decibels C 120 decibels D 130 decibels |
A.Room A B.Room B C.Room C D.Room D