12 .b.c 12 .b.c
The palentologist did.
America did not discover it as being the first day a week. It always has been. See the related question below.
endotherms
Archosaurs are not a branch of dinosaurs, they are a group of reptiles that include dinosaurs and a few related groups. Archosaurs first appeared about 250 million years ago (about 20 million years before the first dinosaurs) and continue to this day as birds and crocodilians.
Paleontologists are constantly discovering new dinosaurs. This will probably continue for a very long time to come.
read and write
The dinosaurs.
dinosaurs
Dinosaurs evolved first and then some dinosaurs evolved into birds. So all birds are technically dinosaurs.
Humans came after Dinosaurs.
dinosaurs because there were no humans around when the dinosaurs were around.
When people started to discover the fosils of dinosaurs, they assumed these creatures still existed. The first concept of dragons originated in China hundreds of years ago.