You are presented with the question "extreme heat and pressure form a type of what?" and the following answer choices: 
- liquid
 - crater
 - oil
 - energy
 - ice
 - Injury
 - rock
 - jar

Now knowing that extreme heat and pressure change rock into metamorphic rock and metamorphic Rocks Metamorphic Rocks Metamorphic rocks are formed by pressure and heat, choose the best answer.


 

       rock  