The answer is SPHERE. The center of the sphere should also be the center of the great circle. If this is not the case, wherein let's say the center of the sphere is not the center of the circle, then this would refer to a small circle. What goes through the center of the sphere is known as the great circle.
the hadal zone lies inside v-shaped trenches
Most active volcanoes in South America are found in Chile.
1. Copahue - This volcano lies in Both Chile and Argentina . Its elevation is 9,728 ft. it usually shows intense fumarolic activity. The eruptions are not explosive.
2. Paranicaota - located in both Chile and Bolivia.
3. Gaullatir - located in Chile. It is still treated as active Its most recent eruption was in 1985.
4. Lascar - located in Chile. It is an active one. The most recent eruption was in 1993. It is considered the most active volcano in the central Andes
The answer is C. Hope that helps