The Gas Temperature in the Stratosphere of Earth's Atmosphere Reaches

question 450

Multiple Choice

The gas temperature in the stratosphere of Earth's atmosphere reaches a maximum at about 50 km.The cause is:

• A) the absorption of solar ultraviolet radiation by ozone (O₃).
• B) heating by auroral activity higher in the atmosphere.
• C) the ionization of oxygen and nitrogen by solar ultraviolet radiation.
• D) turbulence, caused by wind and weather.

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