1. K-T Asteroid Theory of Dinosaur Extinction (1980) Walter Alvarez postulates that high levels of iridium found in rock core samples around the world provide evidence that an asteroid impact caused the... continue reading
posted by eric3579 1 decade 5 years 11 months 1 week ago • 6,032 views • 46:56Documentaries - the truth and other entertainment
Created: 1 decade 6 years 9 months 2 weeks ago
Updated: 9 years 12 months ago
Views: 10,770
Updated: 9 years 12 months ago
Views: 10,770