Explanation:
a. irrigation improvements
The Mongolian capital is Ulaan-Bataar (sometimes spelled as one word, Ulaanbaataar). It's located roughly in the center of the country.
Answer: The element is Space
Explanation: Space can be defined as a physical extent across two or three dimensions; area(two dimensions), volume(three dimensions). Objects find relative position in space
The economy of Saudi Arabia is one of the top twenty economies in the world (G20). ... Saudi Arabia's oil reserves and production are largely managed by the ... Saudi oil production
so the answer should be Oil Production
