Geography

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Across
  1. 3. marks left by ice moving over the surface
  2. 4. a piece of land sticking out into the sea
  3. 6. magma above the ground
  4. 8. average weather over a long period of time
  5. 10. large sheet of ice
  6. 11. outer layer of the Earth
  7. 14. one of the greenhouse gases
  8. 15. a piece of land that joins an island to the mainland
  9. 17. sudden shaking of the earth
  10. 19. can erupt
Down
  1. 1. a long bend in a river
  2. 2. high formations made from rocks
  3. 5. this happens when water is heated
  4. 7. blocks water
  5. 9. the line between two plates
  6. 12. economic sector dealing with services
  7. 13. cutting down trees
  8. 14. cartographers make them
  9. 16. housing in a line
  10. 18. a flowing stream of water