Ancient land

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Across
  1. 4. A rock formed from a volcano .
  2. 7. Something that comes out of a volcano
  3. 8. A rock that goes through pressure and temperature to become an new rock type
  4. 9. Something that is broken down by processes of weathering
Down
  1. 1. Where lava comes out of
  2. 2. A massive wave
  3. 3. Igneous is a type of _ _ _ _
  4. 5. A rock formed from compressed sediments
  5. 6. The crust is one of the _ _ _ _ _ _ of the earth
  6. 10. The planet we live on