Chapter 2 Review Answer Key Volcan…. Volcanoes can form at a mid-ocean ridge. When the two plates separate magma fills the void and a volcano is produced. These chains of volcanic mountains are the longest mountain chain in the world. Volcanoes can also form at a hot spot. What causes earthquakes to occur? Earthquakes.
The measure of the energy released by an earthquake, the strength of the earthquake (Measured using the Richter scale) Tsunami. Seismic waves that occur in the ocean. Volcano…
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