Deep-ocean and are created by convergent boundaries of an ocean and continental crust

Iam pretty sure it is answer c. meep i hope you have a great day ^^

A. it is created from magma. the agents of a metamorphic rock is heat and pressure. (heat from intrusion of magma or burial)

Yeah, i guess that checks out because the unused brain is almost like a clean slate or a new car. it has more value than an older already used brain. -thomasnash

Most topographic maps, the index contour lines are generally darker and are marked with their elevations.