Classic General Knowledge Crossword

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Across
  1. 3. study of Earth's physical structure (7) - GEOLOGY
  2. 5. of night (3) - DAY
  3. 7. of Japan (5) - TOKYO
  4. 8. philosopher who taught Alexander the Great (9) - ARISTOTLE
Down
  1. 1. prince of Denmark (6) - HAMLET
  2. 2. element with atomic number 79 (4) - GOLD
  3. 4. be, or not to be," for example (6) - SOLILOQUY
  4. 6. detective created by Arthur Conan Doyle (7,6) - SHERLOCK HOLMES