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