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How Fossils Form by Josephine Niebruegge
Oh no, I'm going to be buried in this sandstorm.
The elephant is quickly buried in sediments from the sandstorm.
Layers and layers of materials build up on top of the buried organism over millions of years.
Minerals from layers above replace the cells; the fossil is complete.
Woah! Is that an elephant fossil?
Over time, the Earth's crust shifts the layers where the fossil is, and erosion wears away the top layers. This causes the fossil to be exposed.
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