Infrastructure is underdeveloped is the answer
The Earth has an outer solid layer called the crust, a highly viscous layer called the mantle, a liquid layer that is the outer part of the core, called the outer core, and a solid center called the inner core. ... The crust is the outermost layer of the Earth. It is made of solid rocks.
C.)Dry I believe is the best choice here, given that this region is composed primarily of deserts
Well it can mess around with roads and things and houses and thing can collapse due to the sinkholes