heath

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Across
  1. 4. fractures between two blocks of rock.
  2. 6. is a fault along a plate boundary
  3. 9. openings, or vents where lava,
  4. 10. A tectonic boundary where two plates are moving away from each
  5. 12. real or imaginary line that separates two things
Down
  1. 1. rocks that make up the Earth's crust
  2. 2. intentionally brings together intellectually diverse researchers to develop effective ways of communicating across disciplines.
  3. 3. the floor of a sea or ocean
  4. 5. Plate tectonics is the generally accepted scientific theory
  5. 7. long horseshoe-shaped seismically active belt of earthquake epicentres, volcanoesb
  6. 8. They usually have steep, sloping sides and sharp or rounded ridges,
  7. 11. a plant with life