Fact 1: Extreme heat and pressure change rock into metamorphic rock.

Fact 2: Slate is a metamorphic rock.

Given the two facts above, answer the question "What rock is formed by extreme heat and pressure" with the following options: 
- erosion
 - crust
 - calcite
 - Slate
 - dead
 - forces
 - fibrous
 - complex


 

    Slate     