In peru, how do members of the opposite gender usually greet each other when being introduced or meeting for the first time?

How did the europeans design the national borders of africa? why?

Nwhat way does renewable energy differ from nonrenewable energy?

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.