Respuesta :

The change in fossils at the K-T sediment layer suggests that in addition to the dinosaurs,about three-quarters also went extinct.

What is KT layer?

The K-T boundary layer serve as the layer that consists carbonaceous shale as well as the boundary claystone and the impact layer.

The fossil in this layer can used to study about extinction of animals such as the information about dinosaurs.

Learn more about KT layer at;

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