Industries produce waste that can affect the: 1  pH of water (whether it is acid, neutral or alkaline); 2  colour of water; 3  amount of nutrients (increase in nutrients can cause eutrophication);
Generally, the purpose of a review is to analyze critically a segment of a published body of knowledge through summary, classification, and comparison of prior research studies, reviews of literature, and theoretical articles.
The review of systems (or symptoms) is a list of questions, arranged by organ system, designed to uncover dysfunction and disease. It can be applied in several ways: As a screening tool asked of every patient that the clinician encounters.