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.
More by this author. By amanda2014, Cumming, GA. The Civil Rights Act of 1964 was (in many well-credited opinions) one of the most extreme controversies in American history. Besides from being an important step to equality, it was also a glimmering beacon of hope for all of those who fell victim to discrimination.The bill was passed on July 2, 1964 and was signed into law by President Johnson. The Civil Rights Act was first written in 1962 before President Kennedy's assassination.The rights being guaranteed by the Civil Rights Act of 1964 were the desegregation of all public places (including public schools), an employer may not deny a person employment because of their race, gender, or religion.esides from being an important step to equality, it was also a glimmering beacon of hope for all of those who fell victim to discrimination. The bill was passed on July 2, 1964 and was signed into law by President Johnson. The Civil Rights Act was first written in 1962 before President Kennedy's assassination.