What are some of the resources and industries that contributed to the economic growth of communities along the gulf coast?

What would be the distance of all the planets to the sun in astronomical units?

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.

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from