its a hot spot
Magma from deep within the mantle melts through the crust which is what causes hot spot volcanoes to form
the sand goes in a certain spot mate :)
well, there is a hot spot that exploes making a landform, then the pacific plate caries it away form the hot spot, and this process repets.
because they are
Magma form at a hot spot due to a focusing of conditions that lead to melting. This is sometime caused by a mantle plume, but is NOT always the case.
Spot welding is a form of resistance welding invented by Elihu Thompson in the late 1800s.