The cultural, political, and economic geographies of urban areas on the smaller islands of Oceania, such as Fiji and Samoa, are undergoing a period of significant transformation. What do geographers view as the driving force behind such changes

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.