blood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.Also called blood group.lood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.
Amendments are sent to the legislatures of the states by default. Only one amendment, the 21st, specified a convention. In any case, passage by the legislature or convention is by simple majority. The Constitution, then, spells out four paths for an amendment:
It is important to note that the Informal Amendment Process doesn't actually change the Constitution, just the way it is understood and applied, which is in a constant state of flux due to evolving (or devolving) sociopolitical conditions. Formal Amendment Process. The Constitution can only be changed by Amendment, which requires a two-thirds vote from each the Senate and House of Representatives, followed by ratification by 75% of the states.