(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.
A fresh list of the wealthiest people in the world is out, and is it any surprise who claimed the number one spot? Bill Gates, Microsoft co-founder and one the richest people in human history, once again comes out on top, with a net worth of $87.4 billion. Wealth-X, a wealth-tracking website, provided Business Insider with its newest figures on the assets of the ultra-rich.