You are presented with the question "What is transformed through extreme heat and pressure over time?" and the following answer choices: 
- corn
 - coal
 - Gases
 - moss
 - potash
 - oil
 - matter
 - energy

Now knowing that being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time and after a long time, the moss can form into a peat, choose the best answer.


 

    moss     