Which land biome is characterized by extremely cold temperatures, very dry and windy harsh conditions, and having a permanently frozen layer of subsoil called permafrost?

A. Deciduous Forest
B. Tundra
C. Tropical Rainforest
D. Desert
E. Grassland
F. Boreal Forest

B Tundra.

Explanation:

Tundra winters are long, dark, and cold, with mean temperatures below 0°C for six to 10 months of the year. The temperatures are so cold that there is a layer of permanently frozen ground below the surface, called permafrost. This permafrost is a defining characteristic of the tundra biome.

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