Are parallel sets of mountain ranges within the andes mountains. a. pampas b. llanos c. estuaries d. cordilleras

In a economy individuals answer the three basic and the central authority or leaders have little say in the economy.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

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.