The rock cycle forms new rocks using which of the following processes?
a. crystallization
c. erosion
b. compaction
d. all of the abovethe rock cycle forms new rocks using crystallization, erosion and compaction. (all of the above

The rock cycle describes how rocks change as a result of natural processes. The rock cycle forms new rocks using the crystallization, erosion and compaction processes. This makes the correct D: all of the above. Igneous rocks for example are rocks formed from the crystallization( formation of rock crystals in cooling magma)  of a liquid. Sedimentary rocks are formed by erosion. However, in order to form a sedimentary rock, the accumulated sediment must become compacted and cemented together.

answer; the correct answer to the above statement is (biosphere); ///