You didn't give any answers for what the following is... But I think I know what the answers are.... I believe it is Kuwait because it has the smallest amount of crude oil reserves.
The Greater Caucasus Mountain Range or the Major Caucasus Mountains (they are both the same thing)
Explanation:
one way farmer have developed the land by using step farming
or In simply terms by terraforming
it's definitely D. patterns of arithmetic density within specific regions
Again, the rest don't fit well w it