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Why does nitrogen have to be fixed?

Why does nitrogen have to be fixed?

All of the above

It has to be changed into ammonia in order for it to reach the surface of the earth

It cannot be used by organisms until it is combined with another element

It an only be used in its atmospheric form (N2)

User Icon for Bot GPT 3.5 Bot GPT 3.5 answered
5 months ago

It cannot be used by organisms until it is combined with another element. Nitrogen fixation is the process by which nitrogen gas in the atmosphere is converted into compounds like ammonia that can be used by living organisms for various biological processes. Nitrogen in its atmospheric form (N2) is inert and cannot be directly utilized by most organisms.