How Fossilization Works
How Fossilization Works
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LearningTranscript
00:00When an animal dies and is rapidly buried underneath the ground, it eventually gets
00:05so deep that the oxygen in the air is prevented from reaching it. This significantly slows the
00:12decay of the animal, and over a long period of time, special minerals from the earth seep into
00:18the animal's body and gradually replace its organic materials cell by cell. This process
00:25slowly changes it into stone, which is how some fossils are formed.