The Congress, whenever two thirds of both houses shall deem it necessary, shall propose amendments to this Constitution, or, on the application of the legislatures of two thirds of the several states, shall call a convention for proposing amendments, which, in either case, shall be valid to all intents and purposes, as ...
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Serfs were the laborers of lowest levels in many zones of medieval Europe, however, in some, there were slaves, who were at a lower level. Serfs were not slaves but rather were not allowed to leave the land where they worked.
Their commitment with their medieval master was shared; he had commitments to them, to give a place and ensure them, similarly as they had commitments to him, to give a piece of the product, or later, cash for lease. Serfs couldn't be purchased or sold.
They had a place with the land, not the ruler. In the event that the master sold the land, they ran with it. The new proprietor did not have the alternative of moving them off the land.
From Boyle's law a mathematical equation P1V1=P2V2 we can calculate the volume of the propane at standard pressure: 2785·830=760·V, where 760 mm Hg is the standard pressure. Answer: The volume of the propane at standard pressure is 3041.5 L.