Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
Answer:
Nenets Autonomous Okrug
Explanation:
I would choose Nenets Autonomous Okrug, because it has an oil-rich region. And where I live, we use a lot of oil, so I think it would be good to trade with Nenets Autonomous Okrug to get more oil for my country.
