the Soviet union was communist
Answer:
Explanation:"[Earthquakes] don't trigger eruptions. They don't trigger volcanic activity. “But they can trigger changes in geyser behavior. ... According to the United States Geological Survey (USGS), the chances of a Yellowstone eruption is around one-in-730,000.
I beleave its B but i could be wrong :)
Lack of O2, hunger, hypothermia... Everything can be a problem when in Everest