Answer:
cinder cones (also called spatter cones)
Explanation:
It forms when cinders erupt again and again, piling up around the vent to form a steep, cone-shaped hill.
There are three types of volcanoes: cinder cones (also called spatter cones), composite volcanoes (also called stratovolcanoes), and shield volcanoes. Figure 11.22 illustrates the size and shape differences amongst these volcanoes. Shield volcanoes, which get their name from their broad rounded shape, are the largest.
