The noun form for the adjective 'vast' is vastness.
sand dunes,sand bars , sand spits and barrier islands
Moon sand moon sand sand that moulds like dough
The inside of your cranium - vast and completely void of intelligent life.
sand
A tertiary is a vast plain, usally covered with sand. for eample, the sand dunes.
Arid
A tertiary is a vast plain, usally covered with sand. for eample, the sand dunes.
Such a large area could be classed as a desert. But, a desert doesn't have to be entirely of sand and dunes. Antarctica is also classed as a desert.
Most of the country is basically a vast sand desert, the exception being the coastline.
Africa has a vast and varied landscapes made up of shifting sand dunes,rain forest,sweeping savannas , large deserts and coastal plains .
The Rub al Khali is a vast sand desert in the Arabian Desert that is also called the Empty Quarter.
The desert is a vast sea of sand dunes, where the sun reigns as a relentless king and the wind whispers ancient secrets through the barren landscape.
The Rub al Khali is a vast area of sand in the Arabian Desert that has little plant and animal life. Few humans even visit this desolate area. It is the largest expanse of desert sand on earth.
Yes it is if you look up erg on dictionary.com you will find in the definition it says "Any vast area covered in sand, as part of the Sahara Desert
Natural Gas, Iron, Sand, Ore, Coal, Timber, Hydro power, Gold, Limestone.
I wouldn't recommend them - since they spend the vast majority of their lives in burrows. Having said that - they are (apparently) one of the more docile snake species.