Q:What is the final step of the following process: -  Magma rises from deep in the earth - The magma goes into volcanos - The volcanos pressure the magma upwards - The pressure causes the magma to push through the surface of the volcano - The lava cools - The lava forms new rock - New magma is pressured to the surface of the volcano
A:
The volcano bursts through the rock the formed after the last eruption.