Definition of Osceola in English: (C.1804â38), leader of the Seminole Indians; born Billy Powell. Resisting all government efforts to remove his people from their homeland in Florida, he led them in the Seminole Wars, which began in 1835. He was captured in 1837 while bearing a flag of truce.
Bad Ozone-In the Earth s lower atmosphere, near ground level, ozone is formed when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of sunlight.Ozone at ground level is a harmful pollutant. Ozone occurs naturally in the Earth s upper atmosphere (the stratosphere), where it shields the Earth from the sun s ultraviolet rays. 2  At ground-level, ozone is an air pollutant that can harm human health.
Ozone is a tri oxygen molecule. It is formed in a natural process  by the action of UV light on oxygen molecule.Ozone is present in  the stratosphere of the earth's atmosphe â¦ re. It protects us from the  harmful UV light of the sun.