Answer:
A diagram of the rock cycle. Legend:
1 = magma;
2 = crystallization (freezing of rock);
3 = igneous rocks;
4 = erosion;
5 = sedimentation;
6 = sediments & sedimentary rocks;
7 = tectonic burial and metamorphism;
8 = metamorphic rocks;
9 = melting.
Explanation:
