(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.
America is the richest nation in the world. Today, The United States has more millionaires and billionaires than any other nation. Americans control over 34% of all the wealth on planet Earth. With a net worth of $86 billion, Bill Gates is the richest person in the world.