Exploring Earth's Fiery Giants

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Questions and Answers

Which of the following best describes the Pacific Ring of Fire?

  • A zone within the Arctic ocean that covers a collection of moving plate edges forming a 'ring' of volcanoes
  • A zone within the Pacific ocean that covers a collection of moving plate edges forming a 'ring' of volcanoes (correct)
  • A zone within the Atlantic ocean that covers a collection of moving plate edges forming a 'ring' of volcanoes
  • A zone within the Indian ocean that covers a collection of moving plate edges forming a 'ring' of volcanoes

What are volcanic arcs?

  • Chains of volcanoes formed by diverging plates
  • Chains of volcanoes formed by transform plates
  • Chains of volcanoes formed by subducting plates (correct)
  • Chains of volcanoes formed by converging plates

What is magma?

  • Solid rock that forms the Earth's surface
  • The process of tectonic plates moving towards each other
  • The process of tectonic plates moving away from each other
  • Buoyant molten rock that rises toward the surface (correct)

What are active volcanoes?

<p>Volcanoes that erupted within the last 10,000 years (A)</p> Signup and view all the answers

How many active volcanoes were listed by PHIVOLCS as of 2008?

<p>23 (C)</p> Signup and view all the answers

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