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Alamojay Alamojay
wrote...
Posts: 1898
9 years ago
Which one of the following statements about the carbon, phosphorus, and nitrogen cycles is true?
A) The major source of carbon used by plants is the soil.
B) The major source of nitrogen used by plants is the air.
C) Phosphorus has no atmospheric component.
D) Bacteria drive the phosphorus cycle.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
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1 Reply
Super Cuban Dude
Smiling Face with Open Mouth
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JesuisMelJesuisMel
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Posts: 2453
9 years ago
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Alamojay Author
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9 years ago
Thanks for your help!!
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this is exactly what I needed
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2 hours ago
This helped my grade so much Perfect
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