Thr Answer is double helix. God Bless!
The decomposition of the organisms and the wastes in the soil serves the purpose of nutrient release and space recycling.
The nutrient consumed by an organism as eliminated from his body during his life, and decomposes after he dies. The decomposition releases the nutrients from the dead body, and free up the space that was prior consumed by this organism.
Vitamin B plays an important role in the human body. Vitamin B forms an important portion of the co-enzymes which is an important enzyme. Co-enzymes Vitamin B12 also plays role in various metabolic processes such as fat metabolism, carbohydrate metabolism and protein metabolism.