Answer:
C) 85 or more.
Explanation:
Sounds at or below 70 A-weighted decibels (dBA), even after long exposure, are unlikely to cause hearing loss. However, long or repeated exposure to sounds at or above 85 dBA can cause hearing loss. The louder the sound, the shorter the amount of time it takes for NIHL to happen
 
        
             
        
        
        
It’s A! Easy! The best way to do it is by doing something about it!