I think you mean geologist. A geologist is a person who studies the earth's physical structure and substance, its history, and the processes that act on it.
yes tomor Ash The remains of something that was burnt. Caldera A hole in the ground when the volcano blows all of the magma out. Carbon Dioxide It is a gas at a tempter and pressure and exists in Earth's atmosphere. Eruptions when a volcano will blow Lava Dome Lava is pushed up and gets cold and builds a lava Dome I had it its Saturday THAT WAS MY GLOSSARY