The most recent mass extinction, which wiped out the dinosaurs, occurred approximately _______ million years ago.
A) 65
B) 145
C) 285
D) 505

Name: The most recent mass extinction, which wiped out the dinosaurs, occurred approximately _______ million years ago. A) 65 B) 145 C) 285 D) 505
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The most recent mass extinction, known as the Cretaceous-Paleogene (K-Pg) extinction event, occurred approximately 65 million years ago and led to the extinction of the dinosaurs.

The Most Recent Mass Extinction, Which Wiped Out the Dinosaurs