What is a biogeochemical cycle?

A biogeochemical cycle moves and recycles elements and other matter between living organisms and the nonliving parts of Earth, such as the atmosphere, water, and soil. Therefore, the correct choice is D, a process that recycles elements and other matter through the biosphere. Choice A describes denitrification, and choice C describes transpiration; both are specific processes within larger cycles.

AI-written and checked against the verified answer.