Answer:
Sedimentary rock is converted into metamorphic rock with the addition of heat and pressure.
Step-by-step explanation:
A rock cycle is series of changes by which sedimentary rocks can be changed into metamorphic or into igneous rock, igneous rock into metamorphic rock or into sedimentary rock and metamorphic into sedimentary or into igneous rock.
Under action of pressure and heat sedimentary rocks changes to metamorphic rocks.