LOG321Xuất hiện trong 1 đề thi
Which governmental bodies sponsor research on noise abatement strategies and provide funding for noise abatement projects?
Các lựa chọn
AU.S. Department of Health and Human Services
BEnvironmental Protection Agency (EPA)
CU.S. Department of Transportation (DOT) and Federal Aviation Administration (FAA)
DNational Aeronautics and Space Administration (NASA)