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 fossil fuels are concentrations of peat, coal, oil, and natural gas. Given these facts, what does being buried under soil and mud change vegetation into among the following options:
- scarce resources
 - harmful substances
 - scars
 - Fossil fuels
 - Sediment
 - Something to move
 - magic
 - picnics


 

    Fossil fuels     