A. color B. Texture A. Pressure over time binds sediments into rocks. B. Heat and/or pressure change the minerals in a rock. A. Sedimentary B. Metamorphic A. clay B. sand A. topsoil B. subsoil A. Halite B. Quartz A. color and luster B. hardness and streak A. rainfall B. decay of plants and animals A. the top layer B. the middle layer C. the bottom layer A. igneous B. sedimentary Don’t forget to study!