You are presented with the question "Where can peat, buried under soil and mud and through extreme heat and pressure, change into coal?" and the following answer choices: 
- coastlines
 - alluvial
 - Sediment
 - uncontrolled
 - germany
 - wetlands
 - wind
 - deltas

Now knowing that being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time and marshes and swamps are wetlands, choose the best answer.


 

      wetlands   