Puerto Rico is a country in the Caribbean. It has a total area of 9,104 km2. The climate is tropical marine, mild, little seasonal temperature variation. The terrain is mostly mountains with coastal plain belt in north; mountains precipitous to sea on west coast Natural resources are some copper and nickel; potential for onshore and offshore crude oil. The religion is mostly Christian, 85% Roman Catholic, 15% Protestant denominations and other. The language is Spanish (official); English is widely understood. Research Puerto Rico