"The Remarkable Preservation of Dinosaur Bones: Unraveling the Mystery"

Fossilized dinosaur bones can endure for millions of years due to fossilization, where the animal is quickly encased in sediment and minerals replace organic materials within the bone. Soft tissues typically decompose fairly quickly, and the decomposition ecosystem plays a role in breaking down animal remains. Fossils can be any trace or remains of past life, not just bones, and animal bones eventually decompose after several years.