See "What does the ozone layer do?" in the "Related questions" section below.
Ozone layer is the layer of ozone. Humans are altering it by CFC's.
Ozone is very beneficial to human beings. If no ozone was there, humans would not have existed.
Humans are affected by the ozone layer. If there was no ozone, there would be no human life.
The humans destroy ozone by usng CFCs. These are compounds which react with ozone to deplete it.
Humans are threatening the ozone layer by using CFC's. they react with ozone and deplete it.
Humans are causing ozone depletion by using CFC's. These CFC's react with ozone to deplete it.
Humans produce CFC's. These CFC's react with ozone to deplete it.
Humans created CFC which are ozone depleting substances. These substances are the ones that react with ozone and deplete it.
No, they are not. Humans are chaging the stratospheric ozone only.
Humans are releasing CFC's.They react with ozone layer to deplete it.
Yes, ozone molecules can be good and bad for humans. Good as in at ozone layer and bad at ground level.
Humans are causing the hole in ozone layer by using CFCs. These CFC are the factors responsible for depletion of ozone.