plants that lived hundreds of millions of years ago in swamp forests, even before the dinosaurs! When these giant plants and ferns died, ...Before the dinosaurs, many giant plants died in swamps. 100 million years ago. Over millions of years, the plants were buried under water ...
Answers & Comments
Answer:
plants that lived hundreds of millions of years ago in swamp forests, even before the dinosaurs! When these giant plants and ferns died, ...Before the dinosaurs, many giant plants died in swamps. 100 million years ago. Over millions of years, the plants were buried under water ...