Humans are releasing CFC's.They react with ozone layer to deplete it.
The ozone layer is destroyed by CFC's. They react with ozone to deplete it.
Humans are threatening the ozone layer. They are doing so by releasing CFC's.
Humans are releasing CFC's. They react with ozone and decompose to deplete it.
Humans have destroyed ozone by using CFC's.These deplete the ozone.
The humans destroy ozone by usng CFCs. These are compounds which react with ozone to deplete it.
The ozone layer is destroyed by CFC's. They react with ozone to deplete it.
Cfc's can destroy ozone. They react with ozone to deplete it.
Humans are threatening the ozone layer. They are doing so by releasing CFC's.
Humans are releasing CFC's. They react with ozone and decompose to deplete it.
Albert Leyer has written: 'Maschinen-konstruktionslehre'
Humans have destroyed ozone by using CFC's.These deplete the ozone.
Ozone layer is the layer of ozone. Humans are altering it by CFC's.
Humans are affected by the ozone layer. If there was no ozone, there would be no human life.
Ozone is very beneficial to human beings. If no ozone was there, humans would not have existed.
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.