The World's Most Amazing Deserts

Which desert was once a soggy swamp? Why is part of the Mojave Desert known asDeath Valley? Which desert contains a very salty sea? The world has manydeserts so... » 

Which desert was once a soggy swamp? Why is part of the Mojave Desert known asDeath Valley? Which desert contains a very salty sea? The world has manydeserts some hot and sandy others rocky one even snowy and icy. Find outabout these fascinating weather systems that have helped shape these landformsthe many different animals and plants that make their homes here and how somepeople manage to survive in these inhospitable places. «