What is the difference between oceanic volcanoes, submarine volcanoes and mid ocean ridges?

Mid Ocean ridges are areas on the earth's surface where continental plates diverge. Diverging means moving apart. Plate move apart at mid ocean ridges because at mid ocean ridges, magma from the earth's mantle rises to the surface and forms new crust. This crust pushes older crust crust away, causing the plates that crust is on to move or ';diverge';





The other other two are volcanoes found in the ocean, and submarine volcanoes refer specifically to those that are below the water's surface.