COAL is the general term for the rocks formed from the fossilled remains of fresh water plants in dense swamps or logs. When the plants died, they fell into the water where they were soon engulfed in the black, oxygen-deficient mud. Here they were protected from further decay & did not rot away.

COAL is the general term for the rocks formed from the fossilled remains of fresh water plants in dense swamps or logs. When the plants died, they fell into the water where they were soon engulfed in the black, oxygen-deficient mud. Here they were protected from further decay & did not rot away.