Atmospheric Carbon Serves as

question 50

Multiple Choice

Atmospheric carbon serves as

• A) An exchange pool for carbon that is available to plants for photosynthesis.
• B) A long term storage reservoir that becomes available to plants through the action of bacteria.
• C) An exchange pool for carbon that is made available to plants through the action of bacteria.
• D) A reservoir of carbon that will eventually be released into the ecosystem through the process of weathering.
• E) A storage reservoir of carbon that is part of the sedimentary cycle of carbon.

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