Which of the following nutrients remains chemically the same as it is cycled through the food chain and is generally not used in the synthesis of new molecules?

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    water
    carbon
    nitrogen
    phosphorus
    Both the third and fourth answers are correct.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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water
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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