Answer: C. Maintains a balance of Earth's materials essential for all natural processes.
The geochemical cycle includes all the pathways of chemicals which takes place in the crust and surface of earth. Example: volcanic eruption. The elements like silica, iron etc comes out of the earth surface. The biogeochemical cycle includes all the natural cycles which takes place between living and non-living components of the ecosystem. Example: nitrogen cycle, phosphorous cycle, carbon cycle etc. These cycles maintains the balance of Earth's material essential for all natural processes such as photosynthesis, decomposition, sedimentation etc.
This techniques improves water taste and odour. It also helps to remove contaminant from water and also impurities. it is effective and safe to use and the system is fully automated and it works as a filtration technique.
