Which of the physical processes below results in the formation of metamorphic rocks? a. heat and pressure b. deposition and eruption c. weathering and erosion d. cooling and crystallization @brittanydosey

Metamorphic rocks different from igneous or sedimentary rocks in that they are not directly created in their present form. Instead, metamorphic rocks take them basis from other types of existing, already in place, which are then acted upon by geological forces over extreme periods of time to turn into this final rock type. Most specifically, those forces are A. heat and pressure.

Answer (d) may increase or decrease porosity through dissolution or deposition;

Answer sinking and cooled;