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Chemistry, 17.04.2020 19:54 sg3635939

What is "free" nitrogen?
A) nitrogen that is ready for plants to use
B) nitrogen that has been fixed by bacteria
C) nitrogen that cannot be used by organisms
D) nitrogen that is returned to the soil by decomposes

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What is "free" nitrogen?
A) nitrogen that is ready for plants to use
B) nitrogen that ha...

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