The Rise and Fall of Dinosaurs, As Explained by Extinction Events

SOLVED:Analyze the evidence scientists provide for the cause of the Cretaceous–Paleogene mass extinction. a. the unusual abundance of iridium in the Cretaceous-Paleogene layers, the disappearance of so many species at its transition, volcanic activity that led to global warming, and the crater found in the Yucatan peninsula b. the unusual abundance of iridium in the Cretaceous-Paleogene layers, gamma-ray burst caused by a nearby supernova, rocks found in the clay layer at its boundary, and the c

Why did the dinosaurs go extinct?

Mass extinction facts and information from National Geographic

The theory that the Cretaceous-Paleogene Event - the mass extin... | Filo