Ozone layer is the layer of ozone. Humans are altering it by CFC's.
Humans are threatening the ozone layer by using CFC's. they react with ozone and deplete it.
Holes in ozone layer is the thinning of ozone layer. It is because of use of ODS by humans.
Humans are threatening the ozone layer. They are doing so by releasing CFC's.
Ozone layer is a layer of ozone molecules. It is destroyed by man made CFC's.
The hole in ozone layer is the thinning of layer of ozone. It is because of the CFC's released by humans.
The CFC's by humans damage the ozone layer. They react with ozone to deplete it.
Humans are causing the hole in ozone layer by using CFCs. These CFC are the factors responsible for depletion of ozone.
The ozone layer is disapperaing due to the use of CFc's by humans.
Humans are affected by the ozone layer. If there was no ozone, there would be no human life.
humans are destroying the ozone layer by ,cfc , spray on deodorant ,air freshener,and hair spray
The ozone layer can be damaged by human too. Humans use ozone depleting substances which contain chlorine and fluorine which initiate a reaction with ozone and deplete it.
There is no hole in the ozone layer but the thinning of the layer. It is because of the continues use of CFC's by humans.