Which of the following is not one of the biogeochemical cycles considered of particular importance for organisms? A. carbon B. hydrogen C. nitrogen D. phosphorus E. water

Answer: Hydrogen

Explanation:

The biogeochemical cycle which is not that important for the living organism is hydrogen cycle.

The other cycles such as carbon, nitrogen and phosphorus cycle is very important as it provides important nutrients to the plants and animals for the healthy life.

The hydrogen cycle is not important because it is required in very small amount that it is not as important as other biogeochemical cycles.