Well you could start by imagining the problem in ur head. a second is simply finish homework on time. a third is just you could study more. I mean it works for some nitnfor others. a 4th could be read a lot of physics books!
85 decibels or higher can cause damage to the human ear.
Decibels is the value of the measurement of sound. Hearing loss can be caused
by noise coming from a loud sound. Noise induced hearing loss maybe permanent
loss or temporary loss. Examples of activities that can give you a noise induced
hearing loss is target shooting, listening to music in your earphones that have
a high volume, and using lawnmowers.