Ozone-layer meaning

The ozone layer is the layer of air around the earth that helps to regulate the temperature.

An example of the ozone layer is what is being hurt by global warming.

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A region of the atmosphere, lying mostly in the stratosphere, containing relatively high levels of ozone, with the greatest concentrations occurring from about 15 to 30 km (10 to 19 mi) above the Earth's surface. The ozone absorbs large amounts of solar ultraviolet radiation, preventing it from reaching the Earth's surface. The concentration of ozone in the ozone layer is usually under 10 parts per million.
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A region of the atmosphere lying mostly in the stratosphere, between about 15 and 30 kilometers (10 and 20 miles) in altitude, containing a relatively high concentration of ozone that absorbs solar ultraviolet radiation in a wavelength range not screened by other atmospheric components.
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A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone; it absorbs most solar ultraviolet radiation.
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The atmospheric layer within the stratosphere, extending from a height of c. 15 to c. 30 km (c. 9 to c. 18 mi) and having a heavy concentration of ozone: it absorbs harmful ultraviolet radiation from the sun and serves to maintain the temperature of the atmosphere.
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