jacks stupidly impossible crossword

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Across
  1. 4. all adults need this to function in the morning
  2. 7. it is the second longest word In the English alphabet
  3. 8. a massive rock in the middle of Australia
  4. 9. people need this to write
Down
  1. 1. a type of lung disease that you can get from breathing in volcano dust
  2. 2. a massive rock that killed all dinosaurs
  3. 3. somebody who is really smart
  4. 5. to be alone
  5. 6. to cut open something for surgery