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- Dinosaurs appeared about 230 million years ago during the Triassic period and became extinct about 160 million years later, during the Cretaceous period.
Question 1:
Dinosaurs appeared about 230 million years ago during the Triassic period and became extinct about 160 million years later, during the Cretaceous period. What is the period which marked the peak of dinosaurs reign on land referred to?
A. Dinosaurian
B. Carboniferous
C. Jurassic
D. Permian
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