1 If you have type A and type B antigens on the surface of your red blood cells, you do not have antibodies to A or B antigens in your plasma. 2  If you have neither type A nor type B antigens on the surface of your red blood cells, you have anti-A and anti-B antibodies in your plasma.
A big city in U.S itself will tend to have all modern amenities which tend to jack up the already high costs of day to day life along with the quality of living standards. According to a list compiled by the reputed Forbes magazine, presently there are about 413 billionaires who reside in U.S itself.
How many people live in the United States? As of July 2013, the population of the United Stated was estimated to be just over 316 million people. In October 2014, the U.S. Census Bureau estimated that the population had surpassed 319 million.