Answer:
c. At either plate boundaries or in the middle of plates
Step-by-step explanation:
Most of the volcanoes, cercad and 60% are formed at the ends of the tectonic plates, mainly during the moments where they collide, causing deformities in the geography of the earth. However, a few volcanoes can appear in the middle of the technical plates, through the hot spots, which can suggest well inside the plate.