Located in siberia , the is the world's largest forest. a: tundra b: coniferous c: volga d: taiga

D. Taiga. It says the it contains the largest expanse of untouched boreal forest in the world.

Taiga is the world's largest land biome, making up 29% of the world's forest cover. The largest areas are located in Russia and Canada. The taiga is the terrestrial biome with the lowest annual average temperatures after the tundra and permanent ice caps.