Any of them that burn things, or produce / release chemicals that contain chlorine or bromine.
Ozone problem is caused by CFC''s. They react with ozone and deplete it.
The ozone does not create any problem. The lack of ozone does.
Many countries are destroying the ozone. The developed nations are on top.
Molecules that create problem are chlorine and fluorine. They deplete ozone.
Ozone depletion in the stratosphere is a big problem.It can be termed as a global problem.
Nothing is wrong with ozone layer. There is problem with absence of ozone layer.
There certainly have been some countries that have tried to fix the ozone hole problem in Antarctica. Most of these countries were unsuccessful.
Ozone problem is caused by CFC''s. They react with ozone and deplete it.
It has not yeat solved. BUt it has stopped the use of CFC in many countries.
Ozone layer is a protective layer. The problem with it is its depletion.
The ozone problem start with the use of CFC's. They react with ozone.
The ozone depletion is a worldwide problem. It is not the issue of one citizen.
The ozone does not create any problem. The lack of ozone does.
Many countries are destroying the ozone. The developed nations are on top.
Molecules that create problem are chlorine and fluorine. They deplete ozone.
Ozone is created by the oxygen molecules. When the UV falls on oxygen, ozone is formed.
the ozone was created in the stratosphere in an atmospheric level