Which climate zone, one of the largest in russia, is home to several biomes including the taiga?

mediterranean
subarctic
dry desert
humid subtropical

Subarctic is the one of the largest climate zone in Russia, is home to several biomes including the taiga.

Option B

Explanation:  

The "subarctic climate zone" is home to various biomes even the world-famous taiga consists of a huge part of it. This climate zone being largest part of Russian climate covers a huge portion of Russian land characterised by extreme winter with snow-covered trees one of the reasons it is home to some of the unique biomes in the world including taiga which can only be seen in extreme winter area having the polar climate to which suits their growth.

answer; gravity pulls glaciers down hill and as glaciers flow it pick up rocks and soil;