Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Slate is a metamorphic rock. Given the two facts above, what does extreme heat and pressure change rock into?

Pick your answer from:
[a]. soils;
[b]. calcite;
[c]. vapor;
[d]. weathering;
[e]. complex;
[f]. h2o;
[g]. slate;
[h]. cracks;
Answer:
[g].