(March 2013) A base unit (also referred to as a fundamental unit) is a unit adopted for measurement of a base quantity. A base quantity is one of a conventionally chosen subset of physical quantities, where no subset quantity can be expressed in terms of the others.
Latin America and the Caribbean. Ouro Preto (Portuguese pronunciation: [ËoÉ¾u ËpÉ¾etu], Black Gold) is a city in the state of Minas Gerais, Brazil, a former colonial mining town located in the Serra do EspinhaÃ§o mountains and designated a World Heritage Site by UNESCO because of its outstanding Baroque architecture.
The area that makes up modern Quintana Roo was long part of YucatÃ¡n, sharing its history. With the Caste War of YucatÃ¡n, which started in the 1840s, all non-natives were driven from the region. The independent Maya nation of Chan Santa Cruz was based on what is now the town of Felipe Carrillo Puerto.