Where can most of the world's volcanoes be found?
- The Pacific Ring of Fire
This burning ring of fire isn't a ring. The Pacific Ring of Fire actually spans 25,000 miles in a rough horseshoe shape around the Pacific Ocean. About 75 percent of all active volcanoes in the world can be found here. Source: National Geographic
- The Himalayas
- The Appalachian Mountains
- The Mariana Trench