volcano:

• A volcano is a geological structure created when magma erupts through cracks in the Earth’s crust and emitted to the surface in a process called “volcanic eruption”.

• Volcanoes are a reflection of the enormous heat stored deep in the Earth that heat to melt rocks. Tspipotho of the dead, The small main islands than the solid rock makes up the Earth’s crust so the main islands rising slowly.

• Where does the main islands to Earth is volcanic activity.