Answer: Dunes are formed through the interaction of mountains and wind. The wind picks up quartz grains from the mountains in the area to form the dunes and these are reshaped by the same process over time.
Answer: i really dont know maybe cuz they wanna swim
Explanation:
Russia have difficulty extracting its resources because some of the resources are in very remote places and also under hostile weather conditions. This makes it costly and hard to extract. These are the basic reasons behind Russia not going for extracting those resources.
