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 Federal Emergency Relief Administration was the new name given by the Roosevelt Administration to the Emergency Relief Administration which President Franklin Delano Roosevelt had created in 1933. FERA was established as a result of the Federal Emergency Relief Act and was replaced in 1935 by the Works Progress Administration. Prior to 1933, the federal government gave loans to the states to operate relief programs. One of these, the New York state program TERA, was set up in 1931 and headed