Clean Wash Inc. operates a chain of car washes throughout the United States. The government entity that is most likely to be involved in regulating the chain's environmental impact is

A) Congress.
B) federal and state regulatory agencies.
C) local chambers of commerce.
D) local police departments.

Federal and state regulatory agencies are primarily responsible for enforcing environmental laws and regulations, which would include overseeing the environmental impact of businesses like car washes. Congress creates laws, but regulatory agencies implement and enforce them. Local chambers of commerce and police departments do not regulate environmental impacts.