The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?
a)most of the plate boundaries involve one plate sliding underneath another.
b)most of the plate boundaries involve plates spreading apart, forming new ocean floor.
c)most of the plates are stationary, capable only of forming hot spots.
d)most of the plates rub horizontally against each other.