Several animal species are able to hear frequencies well beyond the human hearing range. Some dolphins and bats, for example, can hear frequencies up to 100 kHz. Elephants can hear sounds at 14â16 Hz, while some whales can hear infrasonic sounds as low as 7 Hz (in water).
Several federal agencies were established during the Nixon Administration. These include: 1  OSHA (Occupational Safety and Health Administration) 2  MSHA (Mine Safety and Health Administration)  NIOSH (National Institute for Occupational Safety and Health)
The National Recovery Administration was a prime New Deal agency established by U.S. president Franklin D. Roosevelt (FDR) in 1933. The goal was to eliminate cut-throat competition by bringing industry, labor and government together to create codes of fair practices and set prices. The NRA was created by the National Industrial Recovery Act (NIRA) and allowed industries to get together and write codes of fair competition..