Geography

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Across
  1. 3. A boundary separating two different water masses with distinct temperatures and salinities.
  2. 4. A landlocked country known as the "Land of Fire and Ice."
  3. 7. The second-largest saltwater lake in the world, located in Iran.
  4. 8. A system of caves and underground rivers in Mexico.
  5. 9. The world's deepest oceanic trench
Down
  1. 1. The capital city of Bhutan, perched in the Himalayas
  2. 2. The largest cold desert in the world
  3. 5. The largest living structure on Earth found in the Great Barrier Reef
  4. 6. The driest desert on Earth.