The mass extinction was not a simple and rapid process that occurred under the influence of any one cause. Some animals disappeared even before the end of the Cretaceous; others were already in clear decline, but many ceased to exist precisely at the K/T boundary. ...
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The asteroid hypothesis alone does not explain the dinosaur extinction. Asteroids have repeatedly collided with Earth throughout its history, leaving craters behind. Some of them are larger than Chicxulub. The Deccan Traps also played their role. ...
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The extinction of dinosaurs was part of the mass extinction that occurred at the Cretaceous-Paleogene boundary. It affected all continents and wiped out many groups of animals. Researchers explain it by various causes and the effects of several mechanisms of destruction. ...
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Many hypotheses about the extinction of dinosaurs exist, since a single asteroid impact alone cannot explain the mass extinction at the Cretaceous-Paleogene boundary. The process was complex and lengthy, influenced by a significant number of different factors. ...
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