I'm pretty sure it's railroads, because there's not that many highways in Siberia, the rivers would be frozen over, and there's not a ton of people in Siberia. I'm sorry if I'm wrong.
Lots of people were dead so they wasn’t anyone to farm or work
HI there
the most reasonable answer is
saturation of surface materials with water
hope this has helped you
Yes and....... if u want 2 know if this is true, well it IS TRUE.
Answer:Due to high moisture content or toxicity it is best to remove all except <u><em>plastics.</em></u>
Plastic is substance dwelling of a broad range of man-made or semi-synthetic organic bilobate that are malleable. Life of plastic is usually hundred or thousand of years and isn't usually affected by the high moisture or toxicity.
<u><em>Therefore the correct option in this case is (e)</em></u>