MedicalSkeleton bones to become fossil? What elements turn bones into fossils? and over how many years does bones stay natural say in a cave before becoming fossils?
And if bones left out in the open will disappear to dust over time with in how long.
Was watching history channel where So called 4,000 yrs old bones were founf , then it was said , Not natural bones , but Fossils of the Skull and other bones. It was unclear how long Skull and other bones natural real could survie over time in a cave before becoming fossels. And In the open how short a time?
