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Biology 21 Online
OpenStudy (perii224):

Which of the following is the most usable form of nitrogen to plants? ammonia nitrates nitrous oxide nitrogen gas

OpenStudy (one098):

What do you think the answer is?

OpenStudy (perii224):

Ammonia?

OpenStudy (one098):

Stop giving out answers. @Ahmedsamier

OpenStudy (one098):

That's not the right one.

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