I need the given, the unknown and the equation please!!

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

answer; how far out of place which the object finished relative to the starting location;

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it