You are presented with the question "how can garnets be formed" and the following answer choices: 
- by radioactive formations
 - extreme cold and pressure
 - raw crystal formations
 - extreme heat and pressure
 - The bending of a ray of light
 - rays or beams
 - Light passing through water
 - solid, liquid, gas

Now knowing that extreme heat and pressure change rock into metamorphic rock and metamorphic Rocks Metamorphic rocks are the most common rocks in which garnets are found, choose the best answer.


 

    extreme heat and pressure     