Wild World

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Across
  1. 5. an area made up of air
  2. 6. a sudden violent shaking of the earth
  3. 9. the theory that all the continents were one
  4. 10. the thin and solid outermost layer of the earth
Down
  1. 1. an area filled with life
  2. 2. these can cause earthquakes and volcanoes
  3. 3. continents as one single landmass
  4. 4. a place where the tectonic plates touch
  5. 7. an area made up of water
  6. 8. an are made up of earth