Planet Earth

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Across
  1. 3. Trench This is the deepest ocean trench.
  2. 7. This continent is home to the Sahara Desert.
  3. 9. This is the smallest continent by land area.
  4. 11. This is the longest river in the world.
  5. 13. This is the most populous country.
  6. 14. This is the longest mountain range.
  7. 17. This continent is known for its kangaroos.
  8. 18. Bay This is the largest bay on Earth.
  9. 19. This is the smallest ocean on Earth.
Down
  1. 1. Barrier Reef This is the largest coral reef system.
  2. 2. This is the largest island in the world.
  3. 4. of Mexico This is the largest gulf on Earth.
  4. 5. This is the largest freshwater lake by volume.
  5. 6. This is the largest ocean on Earth.
  6. 7. This is the largest continent by land area.
  7. 8. This is the largest country by land area.
  8. 10. This is the largest desert on Earth.
  9. 12. This is the highest mountain on Earth.
  10. 15. Sea This is the largest sea on Earth.
  11. 16. This is the largest rainforest on Earth.