Which factor posed the greatest challenge to developing natural resources in siberia

The factor that posed the greatest challenge to developing natural resources in Siberia was the regional climate.

Explanation:

Siberia forms a part of Russia that also comprises most of northern Asia. The climate in this region is governed by harsh and long winters and mild summers. This type of climate results in making most natural resources vulnerable to permafrost and hinder their development. It is due to this Tundra type of climate in the region that it also lacks vegetation and thus, very less biodiversity.

Magma is outside the volcano  and lava is inside the volcano. 

Answerwill have thinner; have thicker oceanic sediments;