What must take place to transform an igneous or sedimentary rock into a metamorphic rock?

Very specific conditions. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt.

no simpler subs form complex ones. synthesise = make

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