Which of the following statements accurately describes the activation of federal agencies in disasters? A. The Department of Health and Human Services (DHHS) is responsible for overseeing the safety of the environment in the U.S. B. The USDA responds to disasters that threaten national food production, processing and distribution. C. The National Veterinary Response Team (NVRT) is part of disaster response through the Environmental Protection Agency (EPA). D. Federal agencies are usually activated directly in response to requests from local emergency managers