Trade arises as a result of the uneven distribution of resources

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.

How many active volcanos are there in nicaragua

Which characteristic regarding the americas often stood out the most for many europeans? > > summary 1 2 3 4 5 6 7 8 9 10send a message review: incorrect exit which characteristic regarding the americas often stood out the most for many europeans?