A vernacular region may also be called a perceptual region.
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:
I mean you could memorize them and then test yourself on the locations, and those you forgot you can keep practicing them
Explanation:
you can also use the key, which is where certain places have a specific sign to that area, that probably didnt make sense...
Answer:
b they do not have a continental slope
I think the answer is fertility rate... but i could be wrong. good luck!