CHAPTER 1 DISAPPEARING Dinosaurs Dinosaurs once ruled Earth Some were huge Others were only the size of turkeys Then about 65 million years ago every dinosaur disappeared What happened to these ancient reptiles 4
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People in ancient China found dinosaur fossils But they didn’t know about dinosaurs then They thought the fossils belonged to dragons 6
A Mystery People know dinosaurs existed because of fossils Dinosaur fossils have been found on every continent By studying them scientists know dinosaurs lived between 230 and 65 million years ago But they don’t know what killed these creatures 7
