Thirty-three amendments to the United States Constitution have been proposed by the United States Congress and sent to the states for ratification since the Constitution was put into operation on March 4, 1789. Twenty-seven of these, having been ratified by the requisite number of states, are part of the Constitution. The first ten amendments were adopted and ratified simultaneously and are known collectively as the Bill of Rights. Six amendments adopted by Congress and sent to the states have not been ratified by the required number of states.
Learn about the crystal meanings and metaphysical and healing properties lore of calcite. Alternate Names & Name Spellings: Calcspar; Clear Calcite is sometimes called Optical Calcite or Iceland Spar or Iceland Crystals.
You might have heard of the sequence of terms to describe data : Nominal, Ordinal, Interval and Ratio. They were used quite extensively but have begun to fall out of favor. These terms are used to describe types of data and by some to dictate the appropriate statistical test to use. Most statistical text books still use this hierarchy so students generally end up needing to know them.