Question: Which of the following is the most accurate definition of a system? Need Assignment Help? Group of answer choices It is a group of parts that are connected to each other in an additive fashion like: A + B + C. It is a group of elements that are hierarchically nested with parts at the top dominating functioning. It is a group of elements that happen to occupy a similar space and that mimic each other's roles. It is a group of interdependent parts that, together, contribute to a unified whole or purpose.