Praxis 5005 Practice Question
The ozone layer is a region of which of the following atmospheric layers?
Correct Answer: A
Rationale: The ozone layer is located in the stratosphere, where it plays a crucial role in absorbing harmful ultraviolet (UV) radiation from the sun. This protective function is vital for life on Earth.
The mesosphere, option B, is situated above the stratosphere and is where meteors burn up upon entering the atmosphere, but it does not contain significant ozone.
Option C, the thermosphere, is characterized by high temperatures and low density, primarily affecting satellite orbits and not ozone concentration.
Lastly, the exosphere, option D, is the outermost layer of the atmosphere, where air is extremely thin, and ozone is virtually absent.
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