I think its probably because of the large area they cant go over. it would take days according to how large the mountain or desserts are. it would take a long period to finally talk to each other.
Because it was built on sand and some of it sunk, and changed due to erosion and weathering of the land
Answer:
As a result of population growth in Nepal, there are many adverse effects raising in Nepal. There are many adverse effects of population growth. Some of the serious problems may arise in the future. We have enlisted some of the problems due to high population growth in Nepal. 1.
Hope this helps!