Cows don't fly airplanes, so cows are no threat to the ozone layer.
another answer:
Cattle and other ruminant animals belch methane. This is a greenhouse gas which contributes to global warming. It does not have a major role in damaging the ozone layer.
To stop people from destroying ozone. We must spread awareness.
CFC's have depleted the ozone layer to a great extent. It is because of the halogens that are present inside it.
The ozone is a tri atomic gas of oxygen. It occurs in the ozone layer where absorption of UV is done.
Things like spray on deodorant, air freshener, hair spray and more are destroying the ozone layer with the chemicals that are in them. The chemicals float up into the air and begin eating their way through.
Ozone has nothing to contribute in cloud formation. It is all done in the troposphere layer.
The ozone layer can be protected. It can be done so by avoiding CFC's.
Government has banner the use of CFC's. They are the ones destroying ozone.
To stop people from destroying ozone. We must spread awareness.
Ozone layer needs to be replenished. It is because of its destruction.
The ozone layer is being protected. It is done by spreading awareness.
Aerosols have affected the ozone layer. They have done this as they contain CFC's.
See "What can we do to protect the ozone layer?" in the "Related questions" section below
Man has depleted the ozone layer. He has done this by continues usage of CFC's.
In order to repair the ozone layer, we must decrease the use of ozone depleting substances. These are the ones containing CFC's which deplete the ozone layer.
Thinning of ozone layer can be minimized. It can be done by curbing the use of CFC's.
To save ozone layer, we should:Plant more treesAVoid using CFC's.
We can avoid the ozone layer from getting bigger. It can be done by planting trees.