I just answered another of these questions, and the answer is The Bill of Rights.
Democracy is efficient in the sense that it allows people to have free will and vote for what they believe is right, Democracy also allows the people to have control, which you will not find dictators.
Answer: Volcanoes
Explanation:
The name "Ring of Fire" implies a wider area of the Pacific Ocean. It is an area with a huge number of active volcanoes. As a percentage, about 40% of all active volcanoes in the world are located in this area.
A. is the answer because iv'e learned it <span />