just four questions, answer each of them separately
how viscosity affects the type of volcanic eruption and volcanic deposits
the type of volcanic eruption and volcanic deposits
Know how volcanism is related to plate tectonics. Given a description of an eruption, you should be able to identify its probable plate tectonic setting and composition.
How did the generation of magma on the Moon differ from processes currently active on Earth?
Consider how Earth would be different if you could change the thickness or properties of each layer.