(If there are no antigens at all on the surface of the red blood cells, all three possible antibodies are present in the blood plasma: A, B and Rh antibodies.). The blood type notation O Rh-indicates which antigens and antibodies are present in the blood.
There were 2,473 billionaires in the world, as of Wealth-Xâs last count through 2015. That was a 6.4 percent increase in billionaires from the year before. But who these billionaires are and what theyâre like is more difficult to discern.
The World's Billionaires 2015 edition was the 29th annual ranking of The World's Billionaires by Forbes magazine. The list estimated the net worth of the world's richest people. The new list was released online on March 2, 2015. Bill Gates has been the top of this list for the past 16 years.