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what does nitrogen make up in our body?

dna and protein

what 2 things form nitrous oxide, a greenhouse gas?

nitrogen and sunlight

the process from nitrogen gas in the air to ammonium in the soil is called what?

nitrogen fixation

the process from ammonium to nitrite and then nitrate


when nitrate is taken up by plant roots


if the nitrate isnt taken up by the plant roots, what does it do?

leach into the soil

after the nitrate is taken up by plants through assimilation, what happens?

cows eat the plants then poop the carbon out and the waste and dead cows goes back into the soil

the waste and dead cow material turns back to ammonium in the soil through what process?


after ammonification, it turns into _______ then through ______ turns back into nitrogen gas

nitrate; denitrification

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