1 An abbreviation might be formed using the first and last letter of the complete word.  2 Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 3  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word. 4  Some examples of this are mi.( 5 mile), in. Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 2  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word.
Puerto Rico, also known as the Commonwealth of Puerto Rico, is a territory or colony of the United States in the Caribbean Sea. It has almost 4 million (4,000,000) people. It is the 169th largest sized country in the world in amount of land. Its political system is based on a republican system.he currency (money) used is the United States dollar. Puerto Rico means rich port in Spanish. The Commonwealth of Puerto Rico includes the largest, main island and a number of smaller islands, including Mona, Vieques, and Culebra.
Puerto Ricans are natural-born citizens of the United States. The territory operates under a local constitution, and its citizens elect a governor. Puerto Rico's residents are unable to vote in the U.S. Congress, which has plenary jurisdiction over the territory under the Puerto Rico Federal Relations Act of 1950.uerto Rico's rich history, tropical climate, diverse natural scenery, renowned traditional cuisine and attractive tax incentives make it a popular destination for visitors from around the world.