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Alamojay Alamojay
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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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Super Cuban Dude
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JesuisMelJesuisMel
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Posts: 2453
9 years ago
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