The answer is C. The movement of a chemical substance through both the biotic and abiotic parts of earth
The biogeochemical cycle can be defined as the process by which the vital elements of the living matter are circulated around. The essential elements are moved along all the components of the Earth whether it be biotic component or abiotic component. The chemical substances move through both these parts of the other during a biogeochemical cycle.
Hence, the correct answer is option (c).
