General knowledge

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Across
  1. 4. What is the adjective of grammar?
  2. 6. Opposite of war.
  3. 7. The animals that are kept in farms or homes.
  4. 11. Who develop the theory of relativity?
  5. 13. Which planet is the fifth from the sun?
  6. 15. Who discovered that the earth revolves around the sun?
Down
  1. 1. What is the capital of Brazil?
  2. 2. What city is known as "The Eternal City"?
  3. 3. The animals that live in jungle and forest.
  4. 5. What instrument is used for measuring temperature?
  5. 8. which language has the more native speakers
  6. 9. Quixote What is the best-selling novel of all time?
  7. 10. Astronomers look through this.
  8. 12. What is the study of plants called?
  9. 14. Total number of oceans in the world is…