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.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

the answer is b. glad to .