Chain Crosswords Short Geography Medium — Set 1

Medium 13×13 Set 1
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10
Across
  1. 1. Zone between latitude lines
  2. 3. Low-lying area drained by a river
  3. 5. Green area in a desert
  4. 9. A word related to geography
  5. 10. Ring-shaped coral island
Down
  1. 2. Steep rock face by the sea
  2. 3. Isolated flat-topped hill
  3. 4. A word related to geography
  4. 6. Vast grassy treeless plain
  5. 7. Shallow area in a body of water
  6. 8. Man-made waterway for boats