Which is strong evidence supporting the impact hypothesis for the extinction of the dinosaurs?

+3 votes
Which is strong evidence supporting the impact hypothesis for the extinction of the dinosaurs?
asked Apr 6, 2012 in Biology by Kist Nus ~Expert~ (641 points)
    

1 Answer

+3 votes
 
Best answer

extremely high quantities of iridium in rocks that formed around 65 million years ago

Explanation : Presence of an element abundant only in asteroids and meteorites proves that an asteroid impact occurred at the K-P boundary, around the time dinosaurs went extinct.

answered Apr 6, 2012 by Kist Nus ~Expert~ (641 points)

Related questions

+1 vote
1 answer 557 views
+3 votes
1 answer 2,215 views



...