Rebecca's 30th game

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Across
  1. 3. A noble gas, atomic number 54.
  2. 6. The capital city of Italy.
  3. 8. Asian country with a huge population and diverse cultures.
  4. 9. A precious red gemstone.
  5. 10. A legless reptile.
  6. 14. A popular type of pasta.
  7. 16. Hawaiian greeting.
  8. 17. A popular spring flower.
Down
  1. 1. Smallest planet in our solar system.
  2. 2. South American country famous for Carnival.
  3. 4. A large bird of prey.
  4. 5. The longest river in Africa.
  5. 7. Earth's natural satellite.
  6. 11. Australian marsupial.
  7. 12. Ocean separating Europe and North America.
  8. 13. Large feline, king of the jungle.
  9. 15. Country home to the Great Pyramids.