The ozone is present in the atmosphere as ozone layer. It is present as a pool of ozone molecules.
They are carried by westerlies. They destroy the ozone.
CFC's are the major cause of ozone depletion. They react with ozone molecule to decompose it.
See the related questions section below.
See the related questions below.
Oxygen has no role as such in the atmosphere, its importance is related to when it is removed from the atmosphere, as in respiration and/or oxidation.
See "What is the ozone layer?" in the "Related questions" section below.
The layer containing ozone is the ozone layer. It is located in the stratospheric region of the atmosphere.
See "Where is the ozone layer found?" in the "Related questions" section below.
See the related questions section below.
No it is not. ozone is part of atmosphere.
The ozone is the triatomic form of ozone. It is present in the form of ozone layer in the atmosphere.
See the related questions section below.