Question: Oceans have many layers of sediments. These layers become compacted when they are buried under other layers of sediments. Which is most likely to happen to the deepest layers?

  Options: 
 A. They will be squeezed out onto deltas.
 B. They will recrystallize into new rock.
 C. They will become part of Earth's outer core.
 D. They will melt in magma chambers.
Answer: B