Water is important for survival, which makes it a

Water is important for survival, which makes it a vital need.

Explanation:

It's a vital need because with out water your body won't function properly.

bevy means a large group or thing of a certain kind.

c is a symbol. when bernice gets her hair cut, it is the authors way of showing the affects and demands of pier pressure and the over-all attitudes of people at the time.