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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