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 alligators live in the swamps. Given these facts, what would an alligator turn into if it died and was buried in the mud among the following options:
- shells
 - coal
 - deadly
 - Frogs.
 - ill
 - dead
 - Frogs
 - toxins


 

  coal       