Question

The repeated movement of certain substances between organisms and the atmosphere is called a(n)

A. biogeochemical cycle.
B. evaporation cycle.
C. nitrate cycle.
D. Abiotic cycle.

Answer 1

Biogeochemical cycle, any of the natural pathways by which essential elements of living matter are circulated. The term biogeochemical is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.