Amedeo Avogadro Amedeo Avogadro Amedeo Carlo Avogadro, () Count of Quaregna and Cerreto (9 August 17769 July 1856), was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, , is known as the Avogadro constant, one of the seven SI base units and represented by "N". Lorenzo Romano Amedeo Carlo Avogadro was born
Same-sex marriage and the family biological inequality between opposite-sex and same-sex couples, an inequality that is raised in American legal circles in light of the Equal Protection Clause of the 14th Amendment to the United States Constitution. In 1996, Congress passed the Defense of Marriage Act that defines marriage in Federal law as "a legal union between one man and one woman as husband and wife". Congressional record, a House Report (H.R. 104-664 at 33, 104th Congress, 2nd Session, 1996), states that procreation is key to the requirement of a valid marriage being a union and of one man and one woman. It has been