4 ms·

But I think fertilizer and explosives are also not recyclable.

• lazide 3y ago
  That depends on your definition I guess. They both do add a lot of nitrogen (and some carbon) to the atmosphere when ‘used’.
  • sanderjd 3y ago
    I'm struggling to figure out what definition of "recyclable" fits what you said. What definition are you thinking of?
    • lazide 3y ago
      I’m guessing I misread what you wrote and got the sense backwards.