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Tanya [424]
3 years ago
15

Before nitrogen gas can be used by living organisms it must be converted into ammonium. This important step of the nitrogen cycl

e is known as
1. ammonification
2. denitrification
3. ozonation
4. nitrification​
Biology
1 answer:
olchik [2.2K]3 years ago
4 0

Answer:

dont understand, so sorry!! once again, so sorry!!!!

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