Answer:
mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.
Answer: dolomite rock that becomes soluble over time
Explanation: ageing infrastructure that combined with volatile climate that are major causes of the appearance of the sinkholes
The degree of vertex D is if it is an indegree or outdegree, it is 1 degree in vertex D.
"we hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights." last two phrases talk about how all men created equal.
