(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.
View. comments. The richest 80 people in the world have been revealed... and 35 of them are American. According to a new report from Oxfam International, the combined wealth of the 80 richest billionaires is the same as that of the bottom 50% of the Earth's population - 3.5 billion people.