Answer: Option B
Step-by-step explanation:
The process of decomposition can be defined as the process in which the body of the organism is broken down from complex substances to the simpler substances.
The process is a part of the nutrient cycle is essential because the nutrients needs to be recycled in order to be available for the plants and other species.
The body starts decomposing after the death of the organism. It is a chemical change in which the complex form of the body is converted into simpler form.