Answer:
There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
Explanation:
Answer:
metamorphic
Explanation:
Under the earth's surface, metamorphic rocks are formed. They change from intense heat and pressure. They have ribbon-like layers.