859 dinosaurs have been discorved
but lost more to find
billions
alot alot
No, because they existed 230 million years ago in the Mesozoic era.
it had dinosaurs and many extinct animals
the dinosaurs died with this big meteor that came to the world and crashed the world
Scientists know about dinosaurs because they have got archaeologists to go around the world and dig up the ground to find the remains of dinosaurs. Many archaeologists have found the remains of dinosaurs and you can go to your local museum and nearly every museum has a dinosaur part with real dinosaurs bones and remains.
No one could answer that because tornadoes have been destroying the world over before the dinosaurs.
Lots, we have one of the largest collections in the world, many are found only here.
Classroom
Yes the World still has dinosaurs in it today. Like alligators, crocidiles, sharks and many other life.
When the dinosaurs lived there were sea monsters but they were called marine reptiles and were not dinosaurs.
many scientist need to test and like do the same they did to the dinosaurs