1 If you have type B antigens on the surface of your red blood cells, you also have anti-A antibodies in your plasma. 2  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.
As of 2016, there are 540 billionaires in the US (out of 1,810 in the world). Here are the top 50, according to Business Insider: Bill Gates.
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.