This is the world’s coldest biome. It receives only 6-10 inches of precipitation per year and has a permanently frozen layer of earth called permafrost. The soil is nutrient-poor with very little vegetation.

The tundra is the world’s coldest biome and is characterized by permafrost, a permanently frozen layer of ground. It receives little precipitation—about 6–10 inches per year—and its nutrient-poor soil supports very little vegetation. Therefore, the correct choice is tundra.

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