Question

What is "free" nitrogen?

Answer 1

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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Answer 2

Answer:

d

Explanation:

soil need nutrient for it to help plant grow