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);
Definition. An overview of content that provides a reader with the overarching theme, but does not expand on specific details. A summary describes a larger work (such as an entire book, speech, or research project), and should include noticeably less content then the original work. Summaries can save a reader time because it prevents the reader from having to actually go through and filter the important information from the unimportant.
The summary of a lesson, given by the class, is a test of the effectiveness of instruction. College Teaching Paul Klapper Each student should be quizzed on his reading, or should be required to give a summary of it.