Let's say a sound wave is traveling toward a microphone. The microphone picks up compressions and rarefactions as the wave passes by. When a compression hits the microphone, it receives a high amount of air pressure from the particles in that space. During a rarefaction, the air pressure is very low.
A: The Social Security Act was signed by FDR on 8/14/35. Taxes were collected for the first time in January 1937 and the first one-time, lump-sum payments were made that same month. Regular ongoing monthly benefits started in January 1940.nder the 1935 law, what we now think of as Social Security only paid retirement benefits to the primary worker. A 1939 change in the law added survivors benefits and benefits for the retiree's spouse and children. In 1956 disability benefits were added.
Ratified on January 29, 1919, the 18th Amendment went into effect a year later, by which time no fewer than 33 states had already enacted their own prohibition legislation. In October 1919, Congress passed the National Prohibition Act, which provided guidelines for the federal enforcement of Prohibition.Championed by Representative Andrew Volstead of Mississippi, the chairman of the House Judiciary Committee, the legislation was more commonly known as the Volstead Act.n October 1919, Congress passed the National Prohibition Act, which provided guidelines for the federal enforcement of Prohibition. Championed by Representative Andrew Volstead of Mississippi, the chairman of the House Judiciary Committee, the legislation was more commonly known as the Volstead Act.