Because of biochemical cycling
a human activity has no effect on elements, chemical chemical compounds, and and no other form of living matter
b, living living organisms are not limited by any one nutrient
c nutrients are circulated throughout the biosphere
d, many nutrients do not reach toxic contractions in the biosphere
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Nutrients are circulated throughout the biosphere because of biochemical cycling.

Option C

Explanation:

Apart from vitality, water and a few other chemical components spin through biological systems and impact the rates at which life forms develop and duplicate. Around 10 noteworthy supplements and six minor nutrients are basic to all creatures and plants, while others assume significant jobs for chosen species.

The most significant biochemical cycles influencing environment well being of the water, carbon, nitrogen, and phosphorus cycles. Thus it is due to biochemical cycling, nutrients are circulated through out the biosphere.