_______ rock can be changed directly into _______ rock with the application of heat and pressure. A. Sedimentary, metamorphic B. Sedimentary, igneous C. Metamorphic, sedimentary D. Igneous, sedimentary
When sufficient heat and pressure is applied, sedimentary rock can be transformed directly into metamorphic rock. As a matter of fact, metamorphic rocks were at a time sedimentary rocks (or sometimes igneous rocks) that have been changed by heat and pressure.