"Setback", "prevention", and "depletion" don't seem to go together in the rest of the sentence.
Are you asking "what do we get by preventing ozone depletion?" Maybe you meant "payback", rather than "setback". Otherwise, see the related questions section below.
The objective of ozone protection act is to stop usage of CFC gases around globe. And help prevention of ozone depletion.
We in order to protect the ozone can take a number of steps. Themajor being stop the use of CFCs which deplete the ozone.
A number of measures are taken for the prevention of ozone depletion. The main being avoidance of CFCs in the nature.
Ozone depletion occurs in the ozone layer.
Ozone depletion is the depletion of ozone molecules. It is happening because of CFC's.
The major cause of ozone depletion is the reaction of CFC with ozone. They decompose ozone and cause its depletion.
Ozone depletion refers to the depletion of ozone molecules. These molecules are present in the ozone layer.
The solution for ozone depletion is curbing CFC's. They could prevent ozone depletion.
Ozone depletion is due to CFC's. They react with ozone to deplete it.
The atmosphere does not protect the ozone depletion. It is the region where the ozone depletion occurs.
Ozone depletion is the thinning of ozone layer below a certain concentration. This phenomenon is termed as ozone depletion.
Global warming and ozone depletion are not related.