Eco-nundrums (Marginal utility of solving? Still unknown)

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Across
  1. 3. Accidentally entered a chicken dance contest and won
  2. 5. Obsessed with National Parks, seen 16 so far
  3. 8. Loves to sing when alone, voracious reader, beautiful handwriting
  4. 9. Writer, National President of my Country's Student Union
  5. 10. Drove cross-country for a month during Covid
  6. 12. Once broke my leg in 7 pieces
  7. 14. Certified antigravity yoga instructor
  8. 15. Once a mountain guide, who also loves karaoke
  9. 16. I can ride horses but cars make me sleepy
  10. 18. Lost my passport and got stranded in a country where I didn’t speak the language
  11. 19. I almost became a wildlife photographer !
  12. 20. Reads, writes, narrates and loves poetry
Down
  1. 1. Dreams of a pilot, life of an economist
  2. 2. I enjoy the pleasure of doing nothing
  3. 4. Married to a lawyer, loves fashion and fine dining
  4. 6. Poet, hair obsessed, almost entered a beauty pageant
  5. 7. I cannot drive a car !
  6. 8. I am a twin and a singer
  7. 10. Climbed an active volcano,Certified Diver, Recreational Pilot Licensee next year
  8. 11. Born left handed, forced to be right handed
  9. 13. National level Footballer, but also a Painter
  10. 17. Have killed a home intruder in self-defense
  11. 21. I've lost my passport in 3 different international trips