General Knowledge Quiz

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Across
  1. 5. What is the capital of France?
  2. 6. What is the longest river?
  3. 8. How many strings are on a standard violin?
  4. 9. Closest planet to the Sun?
  5. 12. Center of an atom?
  6. 13. What is the chemical formula of gold?
  7. 16. Which country has the most people?
  8. 17. Earth's natural satellite?
  9. 19. What is the SI unit of force?
  10. 20. Which country is home to the Great Wall?
Down
  1. 1. Who was the 16th US President?
  2. 2. What is the hardest natural substance on earth?
  3. 3. What is the most abundant gas in Earth's atmosphere?
  4. 4. Who commissioned the Great Pyramid of Giza?
  5. 7. Which is the tallest mountain?
  6. 10. Where was Julius Caesar born?
  7. 11. Which flightless bird is native to Antarctica?
  8. 14. What is the largest ocean?
  9. 15. Where was the 2020 Olympics held?
  10. 18. What is the currency of Japan?