Raw sewage can cause eutrophication in a body of water.
a. true
b. false

It is a true fact that raw sewage can cause eutrophication in a body of water. The correct option among all the options that are given in the question is the first option or option "a". The addition of excess amount of organic matter like manures, sewage can cause eutrophication. I hope the answer helped you.

I'm not sure i'm sorry

Answercompass direction;