Alguien sabe ¿cuales son las explicaciones científicas del desarrollo desigual?

How is france’s culture important to its economy

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.

The earth rotates on its axis and revolves around the sun every