Final answer:
The Department of Health and Human Services (HHS) approves final rules released in the Federal Register. The correct option is d.
Step-by-step explanation:
The government agency that approves final rules released in the Federal Register is the Department of Health and Human Services (HHS).
The HHS is a federal agency responsible for protecting and promoting public health. It works closely with other agencies like the Food and Drug Administration (FDA) to regulate food safety, pharmaceutical drugs, medical devices, and more.
By reviewing and approving final rules in the Federal Register, the HHS ensures that these rules are in line with established health and safety standards. The correct option is d.