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Why might the nitrogen cycle be more accurately described as a "double cycle"?

2006-10-30 08:01:31 · 1 answers · asked by Anonymous in Education & Reference ➔ Homework Help

1 answers

Did you read it?

http://en.wikipedia.org/wiki/Nitrogen_cycle

2006-10-30 08:07:27 · answer #1 · answered by Puppy Zwolle 7 · 0⤊ 0⤋

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