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rika, 15 pages
Dinosaurs died out gradually because of climatic cooling and accompanying changes in vegetation due to plate tectonics. 65 million years ago marked the end of the cretaceous period as well as the end ...
rika, 5 pages
Dinosaurs, asteroids and death — mass extinctions don’t get more exciting than the most recent one of 65 million years ago. That’s when an asteroid
slammed into the Earth, ...
by: pija, 10 pages
How did dinosaurs die? Alvarez’ work in Italy (1980) The asteroid impact theory of the extinction of the dinosaurs started with research in Gubbio, Italy by ...
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