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:
Answer:
hydrosphere
Explanation:
definition: the hydrosphere is the sum of earth's water, in the ocean, the ground, on the surface, and in the air.
The answer is the letter C i think
The Body Structures of some species support Darwin's Theories because of fossil records, similarities in DNA and protein sequences between organisms, homologous <span>and vestigial body structures, and similarities in early development. Also, they have similar limbs.
I hope this helps. C:</span>
Answer:
A
Explanation:
choice C would be tempting to choose but the the amount of molecules of a compound most of the time only 1 unless stated otherwise. The more obvious answer is that you can find the amount and kind of atoms in the compound.