whichtype of volcanoes have broad bases and steep sides usually have a large crater at the top and are formed by alternating layers of magma and ash A. calderas B. composite C. shield D. cinder cones
Composite volcanoes have broad bases and steep sides. These volcanoes usually have a large crater at the top. The crater was created during the volcano's last eruption. Composite volcanoes are also called stratovolcanoes.
