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AURORKA [14]
3 years ago
5

What is free nitrogen?

Biology
2 answers:
SCORPION-xisa [38]3 years ago
5 0

Answer:

Nitrogen that cannot be used by organisms.

Marat540 [252]3 years ago
4 0

Answer:

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

Explanation:

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<h3>What are example homologous structures?</h3>

The most correct definition for homology would be: They are structures of individuals, of different species or not, that were inherited from a common ancestor. The human arm is homologous to the horse's front leg. The bat's wing is homologous to the whale fin.

With this information, we can conclude that homologous  have same embryological origin of structures from different organisms, and these structures may or may not have the same function

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