Answer:
portal system is the answer
Metamorphism is the changing of rocks by heat and pressure. During this process, rocks change either physically and/or chemically. They change so much that they become an entirely new rock. Figure 4.22: The platy layers in this large outcrop of metamorphic rock show the effects of pressure on rocks during metamorphism.
Answer: A. Average rainfall has decreased
Explanation:
I might be wrong. sorry if i'm wrong
Answer:
the change in DNA code is called mutation