AP Psychology vs. AP European History vs. AP Bio
I am currently a senior in high school and I am trying to decide whether I should drop AP Psychology or AP European History for a study hall during which I would take AP Biology online (the AP Biology class in my school is full). I haven't taken a higher level AP science course in high school so far (only AP Physics 1 and did not score well on the exam), and taking biology is very important to me because I am interested in becoming a vet in the future. I am interested in AP social science courses as well because I hope to study history or international relations in college, though psychology is very interesting as well and ties into many other areas of my interest.
Is dropping an in-school class for an online course a bad idea? And if so, does anyone have any thoughts as to which AP social science course I should drop?