Dinosaur became extinct in which period?
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Triassic period
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Jurassic period
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Cretaceous period
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Paleogene period
C
Correct answer
Explanation
Non-avian dinosaurs became extinct at the end of the Cretaceous period, approximately 66 million years ago. This mass extinction event, known as the K-Pg extinction, was likely caused by a massive asteroid impact in Mexico and extensive volcanic activity in India. The Triassic and Jurassic periods saw dinosaur diversification, while the Paleogene marked the age of mammals after dinosaur extinction.