World Explorer's Challenge

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Across
  1. 2. - Long, narrow inlet of the sea between cliffs or steep slopes.
  2. 3. - Main city serving as a country's seat of government
  3. 5. - Elevated flatland or tableland
  4. 9. - Deep, narrow valley with steep sides
  5. 10. - Group of islands, like the Philippines
  6. 11. - Narrow strip of land connecting two larger landmasses
  7. 12. - Vast expanse of saltwater, like the Atlantic
  8. 14. - Slow-moving mass of ice
  9. 16. - Land surrounded by water
  10. 18. - Narrow passage connecting two bodies of water
  11. 19. - Boundary line between countries or regions
  12. 20. - Arid region with little rainfall
Down
  1. 1. - Elevated landform, like the Himalayas
  2. 4. - Landmass surrounded by water on three sides
  3. 6. - Large landmass, like Asia or Africa
  4. 7. - Imaginary line dividing the Earth into northern and southern hemispheres
  5. 8. - Mountain that can erupt with lava and ash
  6. 13. - Natural watercourse that flows to an ocean or sea
  7. 15. - Angular distance north or south of the equator
  8. 17. - Inland body of water, like Lake Superior