149k views
1 vote
The mass extinction at the end of the Mesozoic Era was caused by ______.

2 Answers

6 votes
by an astroid that collided with earth to cause the Mesozoic eras extinction
User Mateusz Nowak
by
6.4k points
2 votes
The mass extinction at the end of the Mesozoic Era was caused by an asteroid that had collided with the earth.
User Mikecancook
by
6.0k points