Felsic lavas (dacites or rhyolites) tend to be highly viscous (not very fluid) and are erupted as domes or short, stubby flows. Viscous lavas tend to form stratovolcanoes or lava domes. Lassen Peak in California is an example of a volcano formed from felsic lava and is actually a large lava dome.
Most psychology degree courses want you to have a science related A level, so anything from biology, physics, chemistry, maths or psychology. I just finished a psychology degree and I didn't do biology at A level.
Psychology Degrees: What You Should Know. A career in psychology requires an in depth study of how people and/or groups think and feel. The observance of human behaviors, how they think, how they feel and in the majority of cases, why they think and feel the way the do, is the goal of someone in the field of psychology.