What are the differences between the volcanoes that formed the Hawaiian Islands and those bordering the Pacific plate in the Ring of Fire?

The next best alternative given up when making a choice is called the a. opportunity cost b. comparative advantage c. primary objective d. negative consequence select the best answer from the choices provided. a b c d

Many countries in africa have had difficulty creating democratic governments following their independence. all of the following issues have most likely contributed to this problem, except

Which material is an aquifer layer most likely made of? soil clay solid granite cracked rocks