vivorossanmia vivorossanmia

23-04-2016
Biology

contestada

What is one event that marks the end of the Mesozoic era?
A. origin of birds
B. origin of mammals
C. extinction of dinosaurs
D. extinction of angiosperms

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paolota paolota

23-04-2016

C. extinction of dinosaurs

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qjisone qjisone

12-03-2019

c extinction or dinosaurs is correct!!

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