Why is it difficult to tap siberia’s resources?

It's mostly undeveloped because of its harsh, cold climate. Another problem is that it can take eight or more days to travel across all of Russia by train.

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.