Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.
The end of the Cretaceous is a large mass extinction.
Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.

Based on the evidence paragraph above what can we conclude about the claim "The end of the Cretaceous is a large mass extinction."?

Options: 

 - supported

 - refuted

 - not enough information
supported
Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.

Based on the evidence paragraph above what can we conclude about the claim "The end of the Cretaceous is a large mass extinction."?

Options: 

 - supported

 - refuted

 - not enough information
user
supported
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