aerobic cellular respiration began approximately 2.7 billion years ago, and the vast majority of organisms on Earth today are aerobic. The overall reaction of aerobic cellular respiration is the reverse of photosynthesis:
Newport County is one of five counties located in the U.S. state of Rhode Island. As of the 2010 census, the population was 82,888.
Providence County is included in the Providence-Warwick, RI-MA Metropolitan Statistical Area, which is also included in the Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area. In 2010, the center of population of Rhode Island was located in Providence County, in the city of Cranston.