The easiest way to establish the level of pollution in a local stream is to measure the level of? by Sunday | Sep 8 | Biology JAMB | 0 comments A. oxygen B. carbon (IV) oxide C. ammonia D. alkalinity Correct Answer: Option A – oxygen Users Also Read These:SS2 Lesson Note on the Agricultural Pollution:…Which of the following instruments is used to…Which of the following is not a way of reducing air…The first insurance company to establish its branch…A supplier of flour who intends to sign a contract…