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Alamojay Alamojay
wrote...
Posts: 1898
9 years ago
Natural modes of nitrogen fixation are
A) various industrial processes of making fertilizers.
B) fossil fuel combustion.
C) lightning and bacterial fixation in soils.
D) denitrification and various industrial processes.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
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Super Cuban Dude
Smiling Face with Open Mouth
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JesuisMelJesuisMel
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Posts: 2453
9 years ago
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Alamojay Author
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9 years ago
this is exactly what I needed
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
Helped a lot
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