Q.

Biogeochemical cycling ensures that

A. human activity will have no effect on elements, chemical
B. c compounds, and other forms of matter. living organisms will not become limited in any one nutrient. nutrients will be circulated throughout the biosphere.
C. nutrients will be circulated throughout the biosphere.
D. many nutrients will not reach toxic concentrations in the biosphere.
Answer» C. nutrients will be circulated throughout the biosphere.
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