Cryptic for Maureen 7

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Across
  1. 2. Stun shocked bird food (4)
  2. 5. Season for mathematicians (6)
  3. 7. Weigh dinosaur skin (5)
  4. 8. Herb takes ages to mix (4)
  5. 9. Relationship for agent (4)
Down
  1. 1. Singer takes hub rerouted (4,4)
  2. 3. Unexpected waggers (5)
  3. 4. Add terminally shite to filthy manure for reasonably intelligent crossword solver (7)
  4. 6. Possible power (5)
  5. 10. Dodge Donald (4)