What is the correct equation to determine pressure? Pressure = Force + Area
Pressure = Force - Area
Pressure = Force / Area
Pressure = Force * Area

The correct equation is Pressure = Force / Area.

Hope this helps :)

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.