Lucky number 8

12345678910111213141516171819
Across
  1. 3. This place is buzzing
  2. 5. Water purifier
  3. 7. Scandalous Simpson
  4. 9. "______ in the right direction" *
  5. 10. Made with sarrasin
  6. 12. They look down on Pelicans
  7. 13. Female-only until 1979
  8. 15. Movement *
  9. 18. Dissipate *
  10. 19. Electrons, after meeting photons
Down
  1. 1. Shock into inaction *
  2. 2. Contributor to acid rain *
  3. 4. They may or may not be rooted
  4. 6. Where one may learn to use the answers to this puzzle's starred clues
  5. 8. They can be sappy
  6. 11. French region known for chalets
  7. 14. Good for burns
  8. 16. How to prevent kitten season
  9. 17. They have smaller-than-usual ranges