Which biome contains permafrost? tropical rain forest temperate rain forest savanna tundra

Tundra biome contains permafrost.

Tundra biome is a flat and treeless arctic biome that is characterized by low temperatures and short growing seasons. Tundra biome is one of the harshest and coldest biomes on earth. Tundra biomes usually contain permafrost (frozen ground) or may be covered with snow for most of the year.

Tundra Biome is the answer

Explanation:

Tundra biome may be a flat and treeless arctic biome that's characterized by low temperatures and short growing seasons. Tundra biome is one in all the harshest and coldest biomes on earth. Tundra biomes usually contain permafrost or is also covered with snow for many of the year.