Which part of a volcano is a bowl-shaped depression, or hollowed-out area, produced by the impact of a meteorite, volcanic activity, or an explosion?
crater
It is referred as a large pool of liquid rock beneath the surface of the Earth.
Magma chamber
These are the simplest type of volcano. They are made of small pieces of solid lava, called cinder, that are erupted from a vent.
Cinder cones
These are considered as the grandest mountains, sometimes called stratovolcanoes, made out of repeating layers of lava flows, volcanic ash, etc.
Composite volcanoes
These are almost entirely composed of fluid lava flows. lava pours out of vents in all directions.
Sheild volcanoes
A volcano erupts when molten rock called _______ rises to the surface.
magma
