<span>that the patterns of polarity matched up on both sides is the answer </span>
The thing that makes coastal plains unique is that they are flat, low-lying pieces of land next to the ocean.
coal, copper, lead, iron, natural gas, timber, bauxite, and uranium.
The farmers in the area are mostly subsistence farmers, as the region is very hot, and arid,making agriculture unviable. as a result there is famine and drought in the area, as well as nutritional issues.
Air mass, letter a is the correct one