Volcanoes Flashcards

1
Q

What is a volcano?

A

vent or fissure in the earth’s crust (or in the surface of some other planet) through which molten lava and gases erupt.

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2
Q

Where does volcanic activity occur?

A

In 3 main areas of plates:

  1. Spreading ridges undersea and on continents (Divergent boundaries, new crust produced)
  2. Subduction zones (Convergent boundaries, old crust destroyed)
  3. Hot Spots within plates
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