Not many left. Used to be refrigerants, solvents, propellants (like in spray cans), and stuff for inflating foam products.
No the mesosphere does not contain the ozone layer. The ozone layer is only present in the stratosphere.
Aerosols are harming the ozone. They contain the synthetic CFC's.
Products containing CFC's. Deodorants, spray cans etc are unfriendly ozone products.
Industries can produce ozone friendly products. These products could help in saving ozone.
Yes, it does. Most of the ozone is in the ozone layer.
No, it does not. The thermosphere does not contain the ozone.
No, it doesn't. The stratosphere contains ozone.
No, it doesn't. Mesosphere doesn't contain ozone.
Aerosols contain CFC's. They react with ozone to deplete it.
The ozone hole is formed due to the ozone depleting substances. These substances contain CFC which deplete the ozone layer.
Pesticides contain CFC's. They react with ozone and deplete it.