Answer:
It is C: Nitrogen that cannot be used by organisms. :)
Explanation:
From the after answer on Edge :) thanks. Brainliest if its helpful? :P
Answer:
C: nitrogen that cannot be used by organisms
Explanation:
Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. ... So basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen.
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