The term pathos is best defined as

The term pathos is best defined as an appeal to emotions. When it comes to emotional appeal, it is the method persuasion which is designed for creating the emotional response. The emotion is a kind of persuasion actually identified by Aristotle. The remaining two are logic or logos and authority or ethos.

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.