aneiik128 aneiik128
  • 19-10-2017
  • Biology
contestada

how do humans add nitrogen to the biosphere

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nigelthurston33
nigelthurston33 nigelthurston33
  • 19-10-2017
umm idk I think they just add it lol I'm sorry I just need point don't listen to me 
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yaboyaj yaboyaj
  • 19-10-2017
By using fertilizers that contain nitrogen
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