How can a ovolcanoes form?

Most of the world's volcanoes are found around the edges of tectonic plates, both on land and in the oceans. On land, volcanoes form when one tectonic plate moves under another. When enough magma builds up in the magma chamber, it forces its way up to the surface and erupts, often causing volcanic eruptions.

your answer is b hope that

not completely sure but i think it’s many moons, smaller in size and a ring system.