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volcano
chapter 6
Question | Answer |
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Volcano | Opening in Earth's surface that erupts sulfurous gases, ash, and lava; can form at Earth's plate boundaries, where plates move apart ot together, and at hot spots. |
Cinder Cone Volcano | steep-sided, loosely packed volcano formed when tephra falls to the ground. |
Composite Volcano | volcano built by alternating explosive and quiet eruptions that produce layers of tephra and lava; found mostly where Earth's plates come together and one plate sinks below the other. |
Shield Volcano | broad, gently sloping volcano formed by quiet eruptions of basaltic lava. |
Crater | steep-walled depression around a volcano's vent. |