The following are the answers:
a. porous and permeable beds bounded on all sides by impermeable rock.
c. structural traps.
Rhode Island is the smallest state in the United States.
Political geography studies all the following except Economies ( answer A). Political geography is concern with study of both spatially uneven outcome of political processes and the ways in which political processes are themselves affected by spatial structure. It also involve study of boundaries and their associated region.
