Evriel4721 Evriel4721

19-04-2020
Geography

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Scientists found many different types of fossils in a rock layer, which was dated at 251–299 million years old using an index fossil. In layers directly above that point, scientists found a large decrease in the number of fossils, particularly of marine and insect fossils. When did the extinction event occur?

Respuesta :

sillyrango789 sillyrango789

19-04-2020

Answer:

i think it is due maybe a lack of food for animals on land.

Explanation:

It did not affect the water animals because they had food underwater. i don't know when it happened but just google your question.

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