What is the process when two plates collide and one is pushed down under sending the rock back to the mantle?
2) when metamorphic rocks have their grains arranged in parallel layers or bands they are said to be_______________________.
3)a ___________ rock is a sedimentary rock that forms when rounded rock fragments are squeezed together.
4) ________________ is the process by which sediment settles out of the water or wind carrying it.
Please help! (: