DINOSAURS - 500 FACTS

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DINOSAURS - 500 FACTS بقلم Pegasus ... Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 231 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.

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Pegasus Pegasus

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500 Pegasus كتب Pegasus PDF Sciences & Astrophysics Sciences & Astrophysics PDF FACTS DINOSAURS DINOSAURS - 500 FACTS تحميل DINOSAURS - 500 FACTS PDF تحميل كتاب DINOSAURS - 500 FACTS PDF اقتباسات من كتاب DINOSAURS - 500 FACTS مراجعات كتاب DINOSAURS - 500 FACTS