A. It forms a part of the upper atmosphere known as the ozone layer.
A. Ozone forms a part of the upper atmosphere known as the ozone layer is the right statement to describe ozone.
Ozone is a layer of the stratosphere that contains protective gases around the planet.
Hence, option A is the right answer.
To learn more about the ozone layer, refer to:
https://brainly.com/question/14330630
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