risa123 risa123

12-04-2016
Biology

contestada

plants use nitrogen to make proteins.what is present in the soil that makes nitrogen directly available to plants

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anikinsmitty anikinsmitty

12-04-2016

Well dirt has water in it and the nitrogen is in the air so I am new to this so I am just giving u a hypothesis

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Аноним Аноним

12-04-2016

dirt, and air.
hope that this would help you!! =)

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