What are the two primary factors that control what type of magma erupts from a volcano and what type of volcano it will create?

What happens in a global convection cell

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

What is the final velocity of the initial velocity of 25 and -50?