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  1. During nitrogen fixation , free-living or symbiotic bacteria use a nitrogenase enzyme that ... can be planted with legumes to enrich them with nitrogen .

    2 Answers · Science & Mathematics · 23/05/2011

  2. Yes, Fixation processes free up the nitrogen atoms from their diatomic form (N2) to be used in other ways.

    1 Answers · Science & Mathematics · 16/05/2012

  3. 1) Nitrogen fixation within certain plants that extract nitrogen gas out of... into their internal biochemistry. " Nitrogen fixation is the natural process, either biological or abiotic, by which...

    1 Answers · Science & Mathematics · 30/01/2011

  4. This process of reduction of N2 , commonly referred to as " nitrogen fixation " (N- fixation ) may be accomplished chemically or biologically. http://en.wikipedia.org/wiki/ Nitrogen _ fixation

    1 Answers · Science & Mathematics · 30/01/2012

  5. ... http://en.wikipedia.org/wiki/Assimilation http://en.wikipedia.org/wiki/ Nitrogen _ fixation http://en.wikipedia.org/wiki/ Nitrogen _cycle#Ammonification ...

    1 Answers · Science & Mathematics · 21/01/2010

  6. Lightning probably accounts for about 10% of the world s supply of nitrogen . http://mmbr.asm.org/cgi/content/full/63/4/968 this site is excellent for answering your question thoroughly.

    1 Answers · Science & Mathematics · 14/08/2008

  7. It looks good. But have you read this article ?? It gives an example of a diagram : http://en.wikipedia.org/wiki/ Nitrogen _cycle

    1 Answers · Science & Mathematics · 12/05/2013

  8. Its photosynthesis, cause trees use what we exhale and turn it into carbon.

    2 Answers · Science & Mathematics · 07/07/2010

  9. This is a broad question. Nitrogen acts as a micro nutrient in the soil and is... oxygen. A lake or water body with excess nitrogen can and will become oxygen depleted very quickly and...

    1 Answers · Science & Mathematics · 18/08/2008

  10. Nitrogen fixation converts atmospheric nitrogen into ammonium, which plants absorb. The... nitrogen gas makes up 78% of the atmosphere, we can't use it because nitrogen molecules must be broken apart first. c. nitrogen atoms...

    2 Answers · Science & Mathematics · 27/04/2013

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