question archive Which of the following are thought to have contributed to the partial extinction of the dinosaurs at the end of the Cretaceous period? Group of answer choices a viral pandemic a long period of increased vulcanism decreased atmospheric oxygen an asteroid impact on the earth competition with mammals
Subject:BiologyPrice:2.86 Bought10
Which of the following are thought to have contributed to the partial extinction of the dinosaurs at the end of the Cretaceous period?
Group of answer choices
a viral pandemic
a long period of increased vulcanism
decreased atmospheric oxygen
an asteroid impact on the earth
competition with mammals
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