Superlative Degree

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Across
  1. 4. The smallest insect in the world
  2. 6. The longest river in the world
  3. 8. The smallest ocean in the world
  4. 9. The deepest sea in the world
  5. 10. The cleanest country in the world
Down
  1. 1. The largest forest in the world
  2. 2. The darkest cplor in the world
  3. 3. The largest animal in the world
  4. 5. The largest continent in the world
  5. 7. The highest mountain in the world