Biogeochemical Cycles

Biological processes, geological processes, physical and chemical processes, and processes driven by human activity.

Photosynthesis, respiration, eating, and waste elimination.

Geosphere.

<p>Cloud formation, precipitation, flow of running water, and action of lightning.</p> Signup and view all the answers

<p>Mining and burning fossil fuels, clearing land for building and farming, cutting, burning and replanting forests, and manufacture and use of fertilizers.</p> Signup and view all the answers