What percentage of the world's earthquakes and active volcanoes occur on the ring of fire?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Which volcanic eruption caused the most deaths

Where would you be most likely to find a freshet?