Puerto rico limita al norte con el océano y al sur con el mar

The larges lakes in the world are found in: asia europe north america south america

Does water only take one path through the water cycle? (15 points)

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.