Go to:  https://apclassroom.collegeboard.org/d/jbjn7higob?sui=14,9   to watch Topic 9.3 Daily Video 1 which will describe the natural greenhouse effect, then explain its purpose.

Go to:  https://apclassroom.collegeboard.org/d/077mc622kv?sui=14,9   to watch Topic 9.3 Daily Video 2 which will identify different greenhouse gases and their sources, then explain residence time.

Go to:  https://apclassroom.collegeboard.org/d/q1vwl38e2o?sui=14,9   to watch Topic 9.3 Daily Video 3 which will define global warming potential (GWP), compare greenhouse gases based on their GWP, then apply content knowledge to a practice problem.

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!