Ozone is a molecule of oxygen with the formula O3. It is found in the atmosphere, however the location of it is crucial: near the ground it can be harmful to humans, yet high in the atmosphere it is vital in protecting the Earth from harmful ultraviolet radiation. Therefore its use in conversation can be ambiguous:

Authors and Editors

Jordan Hanania, Kailyn Stenhouse, Jason Donev
Last updated: August 26, 2015
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