when did dinosaur appear in Earth
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66 million years ago
Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era.
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When I was born.
My age:- 1,00,00,00,000
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