a nitrogen fixation q

[gomawum]

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kaplan said UV can't fix Nitrogen whereas cliffs said UV fix N2.
which is true?

what about volcano? I think I've read that volcano also fix N2 ..

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so QR has gotten harder...
comparing to kaplan QR, setting kaplan as 5 in scale of 10, how woud you rate it?

 

[smile101]

kaplan said UV can't fix Nitrogen whereas cliffs said UV fix N2.
which is true?

what about volcano? I think I've read that volcano also fix N2 ..

----------------------------------
so QR has gotten harder...
comparing to kaplan QR, setting kaplan as 5 in scale of 10, how woud you rate it?

From what I understand from various study materials is that: UV, lightning, and photochemicals fix N2 in form of nitrate, while volcano fixes N2 in the form of NH4+