Ozone is formed naturally when oxygen in the Earth's atmosphere is exposed to strong concentrations of ultraviolet light. It also forms artificially when nitrogen and oxygen emissions from internal combustion engines are... More »

The ozone layer, also called the stratosphere, has a primary function of absorbing ultraviolet sunlight. The absorption of ultraviolet rays has many effects, such as atmospheric temperature regulation and protection of b... More »

An ozone machine is used to remove odors from homes, vehicles, clothing and other materials. This is done by breaking down certain bacteria and molecules that are responsible for causing odors and smells. More »

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Ozone depletion refers to the decline of ozone gas in the Earth's atmosphere. This decline of ozone gas means large amounts of ultraviolet B radiation reaches the Earth's surface. More »

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The ozone layer, which is part of the stratosphere, is comprised of the major atmospheric gases nitrogen, oxygen and argon, but also contains a significantly higher concentration of the trace gas ozone than the other lay... More »

The ozone layer is located in the stratosphere, a region of the atmosphere that is about 10 to 50 kilometers above the Earth. The stratosphere consists of approximately 90 percent ozone. Ozone has the chemical formula O3... More »

The air that makes up Earth's atmosphere contains 20.9 percent oxygen. This is true up to about 70,000 feet above sea level. However, above 10,000 feet, the atmosphere becomes too thin to support human life, even though ... More »