Mexico and Canada on opposite sides.
Answer:
C
Explanation:
A hot spot develops above the plume. Magma generated by the hot spot rises through the rigid plates of the lithosphere and produces active volcanoes at the Earth's surface. And as oceanic volcanoes move away from the hot spot, they cool and subside. As a result they produce older islands, atolls, and seamounts.
there are 195 countries in the world
Sea floor spreading adds more crust to the ocean floor and at the same time older strips of rock move outward from either side of the ridge.