Question

what are ten cool facts about dinosaurs.

Answer 1

1st-they always kept their body in  line

2nd-they have a very small brain

3rd-their eyes are placed at sides

4th-they hunt in nights

5th-they lived for a century at their time

6th-trex was the famous dinosaur of jurassic period though it not live at that         time

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Answer 2

Explanation:

Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.