question 1-6 the mass extinction of the dinosaurs occurred during the______ era. cenozoic era mesozoic era…

question 1-6 the mass extinction of the dinosaurs occurred during the______ era. cenozoic era mesozoic era paleozoic era precambrian time
Answer
Brief Explanations:
Dinosaurs went extinct at the end - Cretaceous period which is part of the Mesozoic era. The Cenozoic era followed the extinction of dinosaurs. The Paleozoic era preceded the Mesozoic era and Precambrian Time is much earlier in Earth's history.
Answer:
B. Mesozoic era