Respuesta :

poplyness
Many Theories, No Proof. Dinosaurs roamed the earth for 160 million years until their sudden demise some65.5 million years ago, in an event now known as the Cretaceous-Tertiary, or K-T, extinction event
and
earth is 4.543 billion years old
I am pretty sure the earth is billions of years old. Dinosurs were extinct millions of years ago.