Pollution may be caused by natural sources or human activities, but regardless of the cause, the result is the same. It can have detrimental effects on aquatic ecosystems as well as the health of those who depend on those sources of water, like us!
review verb (THINK AGAIN) C1 [ T ] to think or talk about something again, in order to make changes to it or to make a decision about it: The committee is reviewing the current arrangement/situation. Let's review what has happened so far.
Simply click on one of the five pages. A critical review as discussed in this chapter is a formal academic or professional critical review. It is a formal discussion of the contents, implications, and quality of an academic or professional text: a nonfiction book, essay, or article.