What is significant about the Ring of Fire in relation to Earth’s spheres?

The Ring of Fire is a belt of active tectonic plate boundaries around the Pacific Ocean. Movement of the plates causes earthquakes, and melting rock can rise to produce volcanic eruptions; both are processes in the geosphere. The other choices describe effects that do not define the Ring of Fire, and it is not centered in the Atlantic Ocean.

AI-written and checked against the verified answer.