They are called the Pampas
Pampas
tundra
A large area of treeless grassland can be a plain, savanna or prairie.
tundra
plateau
They both mean the same thing, a flat, basically treeless area.
an area of land of mostly flat treeless land
Prairie.
what is a vast flat treeless region in which the subsoil is permanently frozen is called
Pampas
The name given to an area that is a flat treeless plain is a steppe.
tundra
Huge, treeless plains Huge, treeless plains (especially in Argentina)
The Pampas are a large grassland biome in South AmericaPampas is treeless grassland of Argentina and Uruguay, but mostly in Argentina.
tundra
Tundra is a flat, treeless plain where the subsoil is frozen
An extensive area of flat , predominantly treeless grassland.
tundra