Respuesta :
Answer:
heat and pressure
Explanation:
A metamorphic rock is a changed rock. It is formed a result of mineral changes in a pre-existing rock in the presence of temperature and pressure conditions.
Metamorphic transformation in rocks begins to occur when minerals starts to change from their original and usual form. Most metamorphic rocks are formed as a result of burial into deep seated environment or when subjected to conditions that can elevate the temperature and pressure in a rock.
Answer:
im pretty sure its heat and preasure but if its wrong ill say in explanation.
Explanation:
its correct!