Being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time.
Well, a swamp is a type of wetland.
Being buried under soil and mud changes peat into coal through extreme heat and pressure in a wetland over a long period of time.
where does being buried under soil and mud change peat into coal through extreme heat and pressure over a long period of time?

[A] watershed
[B] alluvial
[C] wetland
[D] deltas
[E] erosion
[F] houses
[G] earth
[H] lakes