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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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naturelle naturelle
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7 years ago
Nitrogen (N2) is 
A)  a by-product of photosynthesis. 
B)  relatively inert, with cycling in the environment keyed to the activity of bacteria. 
C)  a product of the radioactive decay of a form of potassium in the crust. 
D)  now measured at 20.946% by volume in the homosphere.
Textbook 
Geosystems: An Introduction to Physical Geography

Geosystems: An Introduction to Physical Geography


Edition: 7th
Author:
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qvcqvc
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naturelle Author
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#2
6 years ago
Just got feedback from my professor, thanks for answering correctly
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