The correct answers are:
Crater - C
A circle shaped opening at the top of the volcano, through which most of the material is released.
Central vent - B
The ''canal'' through which the gases, magma, and pyroclastic material moves towards the surface.
Magma chamber - A
The large pool of magma deep into the ground.
Sill - D
A tabular sheet intrusion, intruded between older lava, tuff, or sedimentary rocks.
Laccolith - G
Lens-shaped mass of igneous rocks, intruded between the rock strata.
Batholith - F
Mass of cooled magma, deep into the earth, bigger than 100 square km.