riddles about general knowledge

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Across
  1. 3. Official currency used in Japan
  2. 5. Red fluid in the human body pumped by the heart
  3. 7. World's smallest continent, which is also a single country
  4. 8. Shiny yellow precious metal often used for investment
  5. 9. Unit of temperature in the International System of Units
  6. 12. World's largest and deepest ocean
  7. 14. Capital city of Indonesia
  8. 15. Largest planet in our solar system
  9. 18. Largest continent on Earth by land area
  10. 19. Instrument used to record and measure earthquake strength
Down
  1. 1. Green substance in plants that plays a role in photosynthesis
  2. 2. Eastern European country known as the "Land of Windmills"
  3. 4. Highest mountain in the world, located in the Himalayas
  4. 6. Gas inhaled by humans and animals for breathing
  5. 10. Largest living land mammal
  6. 11. Iconic 300-meter-tall tower located in Paris, France
  7. 13. Mythical bird that serves as Indonesia's national symbol
  8. 16. Imaginary line dividing the Earth into northern and southern hemispheres
  9. 17. North African country famous for its pyramids and the Sphinx
  10. 20. Human sensory organ used for seeing