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.
It is a great question because both really come from the same idea. A summary is general by nature and usually strings together plot points. A summary is a highlight reel or a trailer in the order things happen. A plot is solely what happens, possibly excluding setting, character description, and character thought, possibly only mentioning those elements briefly.