Answer:
Therefore, the correct answer to your question is B. environmental.
Step-by-step explanation:
The Nuclear Regulatory Commission (NRC) is an independent agency of the United States government that was established by the Energy Reorganization Act of 1974. The NRC is responsible for regulating commercial nuclear power plants and other uses of nuclear materials, such as in nuclear medicine, through licensing, inspection, and enforcement of its requirements. The NRC’s primary mission is to protect the public health and safety, promote the common defense and security, and protect the environment by regulating the nation’s civilian use of byproduct, source, and special nuclear materials.