Question

Which roles does pressure play during a volcanic eruption? Check all that apply.

Pressure decreases as magma rises.
Pressure traps dissolved gases in magma.
Pressure increases until the volcano explodes.
Pressure from rocks above causes new rocks to form.
Pressure from expanding gases forces magma through the pipe and vent.

Answer 1

A:Pressure decreases as magma rises

B:Pressure traps dissolved gases in magma

E:Pressure from expanding gases forces magma through the pipe and vent

Answer 2

pressure decreases as magma rises and pressure from expanding gases forces magma through the pipe and vent