Answer :
Answer:
it was because they lived in the sea and the sand burrys them really fast as soon as they die and its moved to the top
Answer:
see below
Explanation:
Wind and other weathering conditions wash away sediment on land, depositing it in bodies of water. For this reason, fossils of sea creatures are more common than those of land creatures.
Nearly all fossils we find - around 99% - are from marine animals such as shellfish and sharks. This is because they lived in the sea, where sand or mud could bury their remains quickly after they died.
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