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Perma frost
In tundra you can feel the cold because the climate there is cold, polar and dry. Below surface the soil is always frozen!
russia Canada Greenland Alaska they are all frozen tundra basically were polar bears live.
Antarctica is by encyclopedia definition a polar desert.
Th Arctic tundra refers to cold, flat lands that always have a layer of frozen soil a few inches below the surface, called permafrost. Because marine animals by definition live in the ocean and not on land, there aren't marine animals in the tundra. However, many marine animals such as fish, killer whales, sea lions, and more live in the Arctic, and a few, such as sea lions, may rest on the shoreline of the tundra.
Permafrost means a thin layer of frozen soilPerma-frost is the thick sub-surface layer of soil that remains frozen all year long. This happens mostly in the polar regions.
Shallow-rooted plants such as grasses and small shrubs are common in the polar tundra because of the cold and permafrost. Shallow roots are necessary because the ground remains frozen much of the time.
Permafrost because the top layer is to weak to dig on or into. So the most reasonable answer would be permafrost
Polar ice ! ;)
northward arctic cold hyperborean northerly northern tundra boreal frozen northbound northmost polar septentrional toward North Pole Adjective northern northerly arctic polar
Polar glaciers are glaciers that are frozen to the bedrock. The surface snow-pack of a polar glacier may experience melting, but the ice from the surface to the base is always below freezing.
Tundra