Scientists can determine if oxygen existed in Earth’s Archean atmosphere by looking for oxidized iron in rock. In the beginning, there was only a little to no oxygen in the atmosphere. The oxygen that are being produced by cyanobacteria is only enough for the weathering process. There will only enough oxygen that shall remain in the atmosphere when the rocks at the surface are properly and adequately oxidized. However, as time goes by, evidences said that the amount of oxygen in the Archean atmosphere is actually increasing in a slow steady pace.
President Franklin D. Roosevelt establish social security in order to guarantee an income for the unemployed and retirees. <span> The Social Security Act (SSA) was in keeping with his other “New Deal” programs, including the establishment of the Works Progress Administration and the Civilian Conservation Corps, which attempted to hoist America out of the Great Depression by putting Americans back to work.</span>
Mexico <span>shares a long coastline on the Gulf of Mexico with the United States.</span>
The answer is C. The winning allied powers wanted to punish Germany for the war by making them pay for damages. Which caused extreme economic pressure on them making them an extremely desperate nation. Resulting in the desperate people seeking a ruthless dictator known as Adolf Hitler.
Answer: The House of Representatives
Also called The Federal House Of Representatives.
