Question

When did all dinosaurs become extinct?

Answer 1

All dinosaurs became extinct approximately 66 million years ago at the end of the Cretaceous Period, in an event known as the Cretaceous-Paleogene (K-Pg) extinction event.

Answer 2

All dinosaurs became extinct approximately 66 million years ago. This event is known as the Cretaceous-Paleogene extinction event. It is believed to have been caused by a combination of factors, including a large asteroid impact and massive volcanic eruptions.

Answer 3

All dinosaurs became extinct approximately 65 million years ago. This event is known as the Cretaceous-Tertiary extinction event. It is believed that the extinction was caused by a combination of factors, including a large asteroid impact and volcanic activity.