The three major types of volcanoes are.

A. Shield volcanoes, cinder, and composite volcanoes

B. calderas, conduits, and vents.

C. shield volcanoes, conduits, and vents

D. shield volcanoes, cinder cones, and calderas.

The correct answere for this question is A - the three major types of volcanoes are shiel volcanoes, cinder volcanoes and composite volcanoes. Two other tyypes of volcano are the lava dome volcano, and the Rhyolite Caldera complex (this type is not common, but are the most dangerous and explosive - Yellowstone is an example of this type of volcano).