permafrost
Permafrost.
permafrost!
Permafrost is the layer of permanently frozen ground that lies underneath the top soil of the tundra.
Tundra is marked by a permanently frozen layer of soil called permafrost, which can be at considerable depth or just below the surface.
the tundra
The region is called the Arctic Tundra. The permanently frozen soil is called permafrost.
permafrost
Tundra
permafrost!
Permafrost.
Permafrost is the layer of permanently frozen ground that lies underneath the top soil of the tundra.
Tundra is marked by a permanently frozen layer of soil called permafrost, which can be at considerable depth or just below the surface.
Permanently frozen soil anywhere is called permafrost.
permanently frozen soil
the tundra
farmafrast
its rough and dry because of the high altitude.