Liberty, TX. Liberty is a city in and the county seat of Liberty County, Texas, United States and a part of the Houston-Sugar Land-Baytown metropolitan area. The population was 8,033 at the 2000 census. Liberty is the third oldest city in the stateâestablished in 1831 on the banks of the Trinity River.
The ozone layer is a deep layer in the stratosphere, encircling the Earth, that has large amounts of ozone in it. The layer shields the entire Earth from much of the harmful ultraviolet radiation that comes from the sun.he ozone layer became more widely appreciated by the public when it was realized that certain chemicals mankind manufactures, called chloroflurocarbons, find their way up into the stratosphere where, through a complex series of chemical reactions, they destroy some of the ozone.
The ozone layer is a concentration of ozone molecules in the stratosphere. About 90% of the planet's ozone is in the ozone layer. The layer of the Earth's atmosphere that surrounds us is called the troposphere.The stratosphere, the next higher layer, extends about 10-50 kilometers above the Earth's surface.ood Ozone. Good ozone occurs naturally in the upper atmosphere, 6 to 30 miles above the Earth's surface, where it forms a protective layer that shields us from the sun's harmful ultraviolet rays. This beneficial ozone is gradually being destroyed by manmade chemicals.