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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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libbyb libbyb
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11 years ago
a. eventually leave the earth's atmosphere and head off into space for other galaxies.

 b. will become part of other molecules, such as plants.

 c. It is impossible to predict what will happen to the nitrogen in our atmosphere.
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#1
11 years ago
Hi. B is true because of nitrogen fixation, but as plants decay after their life is over the nitrogen returns to the atmosphere. This has happened for eons.
wrote...
#2
11 years ago
C.  If B were true the Nitrogen would not still be the main component of the atmosphere. Only a small amount of the overall Nitrogen available is used in nitrogen fixation.
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