|jēˈägrəfē|: the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries.
Geography is a very content-heavy topic, the bulk of it relies on case studies. However, the rest is just common knowledge/ logic so take some comfort in that.
I studied all the topics, but I personally prefer human geography so I studied population and settlement in detail. As you only need to do 3 out of 6 questions for the main paper, I suggest you study 5/6 topics in depth (to be safe), and briefly remember the general details for the rest for P2 and P4.
I divided the topics into my own little segments: