Can you plz help and plz try to get it right this is a major grade

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

If the selected review was submitted in word format, what are the posterior probabilities of it being short, medium, or long? (round your answers to three decimal places.)