no space in answer

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Across
  1. 1. descendants of dinosaurs
  2. 4. the most abundant gas in the atmosphere
  3. 8. the most expensive fish meat in the world
  4. 9. title for the military rulers of Japan who held the most power from the late 12th century until the mid-19th century
Down
  1. 2. mythical creature with wings
  2. 3. biggest snake to ever exist
  3. 5. metal with highest melting point
  4. 6. first country to win the football world cup
  5. 7. the study of rocks