Colbert's Confounding Crossword

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Across
  1. 3. Line running across the Earth, hottest part of the Earth
  2. 5. Study of the Earth's surface
  3. 6. A hot and humid jungle
  4. 8. A chunk of rock found underground that contains minerals
  5. 9. Lines running down the Earth from North to South
  6. 10. Farming or cultivation of land
  7. 11. Temperature and weather of the Earth
  8. 13. A dry area where it very rarely rains
  9. 14. Half of a sphere
  10. 17. Surrounded only by countries
  11. 18. The study of the Earth's features
  12. 19. _______ activity happens during times of earthquakes
Down
  1. 1. An area with a high surface
  2. 2. A mass of land
  3. 4. The study of maps
  4. 7. A large mass of ice
  5. 10. A group of islands
  6. 12. The point on which Earth turns
  7. 15. A large stretch of water
  8. 16. Lines running across the Earth from East to West