UGLY RIGHT? rate me out of 10

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.

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia

The pacific islands that lie along tectonic plates may have volcanic activity are uninhabited may not have agricultural economies are located in the tasman sea