Which major theory of urban ecology emphasizes geographic or historical factors of urban growth? a. concentric theory b. multiple nuclei theory c. peripheral theory d. sector theory

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

When creating visuals, a journalist should

Which of the following is a difference between a prepaid tution plan and a college savings plan