Go to:  https://apclassroom.collegeboard.org/d/uhqhb3uukt?sui=14,8  to watch Topic 8.5 Daily Video 1 which describes the human activities that lead to eutrophication of our surface waters.

Go to:  https://apclassroom.collegeboard.org/d/7dc9i59etj?sui=14,8   to watch Topic 8.5 Daily Video 2 which explains the processes that create low dissolved oxygen levels that can be deadly to aquatic organisms.

Take notes on these videos and summarize important key points.  Focus your notes not just on content, but also how you are going to demonstrate you mastery of the content using science practices.  Be sure to answer and questions that are asked when you pause the video.  Check your answers!