Air pollution happens when there is an abundance of foreign substances in the air, this happens when there is an abundance of factories releasing harmful gases into the air. 16 people found this helpful. Show more usage examples...
Trinity County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 14,585.ts county seat is Groveton. The county is named for the Trinity River. Trinity County is included in the Huntsville, TX Micropolitan Statistical Area, which is also included in the Houston-The Woodlands, TX Combined Statistical Area.
In 1839, Warren Angus Ferris surveyed the area around present-day Dallas. John Neely Bryan established a permanent settlement near the Trinity River named Dallas in 1841. The Republic of Texas was annexed by the United States in 1845 and Dallas County was established the following year.