Question

in which year was tyrannosaur Rex born​

Answer 1

Answer:

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Step-by-step explanation:

T. rex fossils are found in a variety of rock formations dating to the Maastrichtian age of the upper Cretaceous period, which lasted from 67 million to 65 million years ago, toward the end of the Mesozoic Era

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Answer 2

Answer:

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Step-by-step explanation:

T. rex fossils are found in a variety of rock formations dating to the Maastrichtian age of the upper Cretaceous period, which lasted from 67 million to 65 million years ago, toward the end of the Mesozoic Era.