where does gratification usually occur a. rural areas b. suburbs c. central city d. areas close to border crossing​

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

How does central place theory explain patterns in the size and distribution of cities?

Democratic vs democratic whats the difference? ?