Destaque algumas alterações que resultam na redução da diversidade da fauna e da flora. ME AJUDEM PELO AMOR DE DEUS!!!

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.