Fact 1: Decomposition increases the amount of nutrients in the soil. Fact 2: Plants grow in nutrient rich soil and absorb the nutrients. Given the two facts above, what does decomposition do?

Available choices: A. heat the body; B. it helps plants in growing; C. duplicate itself; D. rapid expansion; E. heat production; F. heat is produced; G. it keeps an organism warm; H. Cell division;
The answer is:
B.