Respuesta :
Mold/cast fossils occur when a plant or animal dies and is covered by layers of mud or silt. So its petrified
Similarly, legends of the Cyclops may be based on fossilized elephant skulls found in Crete and other ... The process of a once living organism becoming a fossil is called fossilization. ... The most common method of fossilization is permineralization. ... Some fossils form when their remains are compressed by high pressure.