Birthday Surprise

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Across
  1. 3. A famous Italian dish with layers of pasta, cheese, and sauce
  2. 4. The world's largest ocean
  3. 5. Element with the chemical symbol "Au"
  4. 8. The first human to orbit the Earth
  5. 9. Inventor of the telephone
  6. 13. The process of a liquid turning into a gas
  7. 14. A language widely used for web development
  8. 15. Unit of measurement for energy
Down
  1. 1. Famous playwright known for tragedies and comedies
  2. 2. A famous detective with a keen sense of deduction
  3. 3. Birthplace of jazz
  4. 6. A region of historical significance and famous for the silk trade
  5. 7. An optical illusion where things appear smaller as they move away
  6. 10. The study of celestial bodies and the universe
  7. 11. The central organ of the human nervous system
  8. 12. The force that pulls objects towards the center of the Earth