Answer:
option C
Step-by-step explanation:
The correct answer is option C
the first step is used by the EPA when creating environmental protection regulation is Research.
EPA is the Environmental Protection Agency of USA federal government agency which is used to protect human and environment health.
The EPA used to regulate the use of chemicals and the pollutants.
For creating any regulation researching should be done is there any requirement of the changes and what will be the outcome of the step.