Coral reefs are built by millions of coral polyps, small colonial animals resembling overturned jellyfish that use excess carbon dioxide in the water from the atmosphere and turn it into limestone. Corals are in fact animals that fall under the phylum Cnidaria and the class Anthozoa.
Raritan, New Jersey. Raritan is a borough in Somerset County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 6,881, reflecting an increase of 543 (+8.6%) from the 6,338 counted in the 2000 Census, which had in turn increased by 540 (+9.3%) from the 5,798 counted in the 1990 Census.
Raritan is a Borough in Somerset County, New Jersey, United States. As of the United States 2010 Census, the borough population was 6,881. Raritan is located at 40Â°34â²17â³N 74Â°38â²15â³W / 40.571302Â°N 74.637405Â°W / 40.571302; -74.637405 (40.571302, -74.637405). According to the United States Census Bureau, the borough has a total area of 2.0 square miles (5.3 km2), all of it land. Raritan is in Raritan Valley ( a line of cities in central NJ). Raritan is in the western division of Raritan Valley along with Branchburg and Bridgewater.