How many years it’s been since dinosaurs walked the earth before their mass extinction at the end of the Cretaceous period.
Source: usefultrivia.com/miscellaneous_trivia/dinosaur_trivia_010a.html
How many years it’s been since dinosaurs walked the earth before their mass extinction at the end of the Cretaceous period.
Source: usefultrivia.com/miscellaneous_trivia/dinosaur_trivia_010a.html