General Knowledge Crossword Puzzle

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Across
  1. 2. River that flows through Egypt
  2. 6. the largest district in Sri Lanka by area
  3. 8. Author of 'The Adventures of Sherlock Holmes'
Down
  1. 1. Largest mammal on Earth
  2. 3. Largest country in the world
  3. 4. Shape with three sides and three angles
  4. 5. City known as the cultural capital of Sri Lanka
  5. 7. Which planet is Known as the 'Red Planet'