Asked in Geology, Paleontology, Tigers
What is the length in millions of years of the Tertiary period?
The answer is 63.2 million years. Since the Tertiary Period began 65 million years ago and then stoped 1.8 million years ago you have to subtract the 1.8 million from 65 million to get the actual lenght of time. ...
Asked in Dinosaurs, Fossils, Rocks and Minerals
Why did dinosaurs die out suddenly after 65 years?
NOT 65 years: 65 MILLION years; and not "after": at. That is, the dinosaurs died out 65 million years AGO, after having been around oh, about 140 million years. As to why that happened, most probably a massive body from deep space (comet? asteroid?) crashed into Earth and upset the ecological balance so that many types of animals died out. ...