Question

which is a purpose of an environmental regulation? to reward local farmers and workers to preserve natural resources to ensure profit for businesses to speed up environmental change

Explanation:

Environmental regulations are put in place to protect the environment. Preserving natural resources is a key environmental goal. Rewarding local farmers and workers is more related to agricultural or labor policies. Ensuring profit for businesses is a business - related aim. Speeding up environmental change (in a negative sense) is contrary to environmental protection.

Answer:

to preserve natural resources