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.
Quick Answer. As 2013, the U.S. Census Bureau estimates that there are 242,470,820 adults living in the United States. The total population was estimated at 316,128,839 people, with 76.7 percent of those people being over 18. Continue Reading.