Melting.
Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock.
Graphite is a mineral, not a rock that is classified as metamorphic, igneous or sedimentary.
Heat and Pressure.
It is a Metamorphic rock
it is a metamorphic rock
metamorphic rock
It is a Metamorphic rock
Three (3) rocks in the rock cycle are sedimentary, igneous, and metamorphic rock.
Igneous Rock
It is a Sedimentary rock
It is a Sedimentary rock
igneous