The event believed to have contributed to the mass extinction of the dinosaurs 66 million years ago is an asteroid collision. This impact is widely thought to have created the Chicxulub crater in what is now Mexico and led to significant environmental changes that contributed to the extinction of approximately 75% of Earth's species, including the dinosaurs.
What event is believed to have contributed to the mass extinction of the dinosaurs 66 million years ago
A volcanic eruption
An asteroid collision
Climate change
A meteor shower
1 answer
1 answer