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)
Among the federal agencies established or that began operations during Lincoln's presidency were: 1  United States Government Publishing Office (June 23, 1860; 12 Stat. 2  Department of Agriculture (May 15, 1862; 12 Stat. 3  Commissioner of Internal Revenue (July 1, 1862; 12 Stat. 4  Bureau of Engraving and Printing (July 11, 1862; 12 Stat.