Volcanoes

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  1. An opening in the Earth's surface through which magma, gases, and ash eruptvolcano
  2. A type of volcanic rock with a high silica contentrhyolite
  3. A large, steep-sided volcano made up of layers of lava and ash stratovolcano
  4. The point within the Earth where an earthquake or volcanic eruption originatesfocus
  5. A volcano that is currently not active but could potentially erupt againdormant
  6. A type of volcanic rock that forms from the cooling of magma beneath the Earth'sgranite
  7. A vent on the side of a volcano that emits gases and steamfumarole
  8. A type of volcanic eruption characterized by an explosive release of gas and ashplinian
  9. A type of volcanic eruption characterized by a steady flow of lavaeffusive
  10. A type of volcano with a broad, gently sloping shapeshield
  11. The study of volcanoes and volcanic phenomena volcanology
  12. A type of volcanic rock that forms from the cooling of lava on the Earth's surfabasalt
  13. A violent volcanic eruption that can result in the collapse of the volcano's sumplinian
  14. A type of volcanic eruption characterized by a mixture of lava and explosive actvulcanian
  15. A large crater-like depression that forms following a volcanic eruptioncaldera
  16. A solidified volcanic plug that forms in the neck of a volcanovolcanicplug
  17. The solidified remains of lava flows that form a volcanic mountainvolcaniccone
  18. A type of volcano with a steep, conical shapecindercone
  19. An area of volcanic activity around the Pacific Oceanringoffire
  20. The process of magma rising and collecting in a magma chamber beneath the Earth'magmaascent
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