Question

Why did all dinosaurs go extinct?

Answer 1

The reason isn't correctly known but most believe that it was due to evolution and mass extinction events like natural disasters.the theory that they were wiped out due to a huge asteroid also is believed by some

Answer 2

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Geological evidence indicates that dinosaurs became extinct at the boundary between the Cretaceous and Paleogene eras, about 66 million years ago, at a time when there was worldwide environmental change resulting from the impact of a large celestial object with the Earth and/or from vast volcanic eruptions.