Final answer:
The empty nest syndrome is a term used to describe the feelings of sadness and loss that parents experience when their children leave home.
Step-by-step explanation:
The empty nest syndrome is a term used to describe the feelings of sadness and loss that parents experience when their children leave home. It is option b) in the question. When children become independent and move out, parents may feel a sense of emptiness and loss as their role in parenting changes. This can be especially impactful for parents who have dedicated a significant portion of their lives to raising and caring for their children.