Blackening of silver is generally caused by sulphides.
Ozone layer protects us from UV rays. Greenhouse gases cause global warming.
Fuels release greenhouse gases. These gases can cause ozone depletion.
Greenhouse gases destroy ozone. They can cause ozone depletion.
Greenhouse gases also cause the ozone depletion. they cause ozone to break up.
Air pollution is due to greenhouse gases. These gases also cause ozone depletion.
The layer of gases that surround the atmosphere is ozone. It is present as the ozone layer.
CFC's get trapped. They react with ozone to deplete it.
Greenhouse gases cause global warming on earth. This global warming can cause ozone depletion.
Cigarette smoke releases gases that cause greenhouse effect. these in turn cause ozone depletion.
The layer that contains gases in distinct layer is troposphere. It is closest to earth.
Burning garbage produces greenhouse gases. It can cause ozone depletion.
Airplanes release greenhouse gases. They can cause ozone depletion.