Min-Jun created this diagram to represent the rock cycle. Which statement best describes how Earth cycles its materials to form different types of rock?
a. Igneous rock is formed when sediments are compacted and cemented together.
b. Both igneous and sedimentary rock can become metamorphic rock when they are exposed to heat and pressure.
c. The processes that form sedimentary rock are weathering, erosion, deposition, and melting.
d. Metamorphic rock is formed when magma crystallizes and cools.