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.
Turndown, rejection, or declining. Hope this helps.
Istanbul. It's Istanbul, not Constantinople!
The answer you are looking for is "<span>a. elements of ecosystems are mutually dependent on each other ".</span>