Ozone used to be without hole earlier. It has developed a hole now.
Ozone hole is the term. It is the thinning of ozone layer.
ozone layer can be used in a sentence. one example is "OZONE IS A TRIATOMIC GAS".
Ozone layer is getting depleted. It is due to CFC's used.
The chemicals used to damage the ozone are CFC's. they react with ozone to deplete it.
Ozone layer contains ozone in it. Therefore, it is named so.
ozone layer in Tagalog: ozone layer (no direct Tagalog translation)
If CFC's cannot be used the ozone level will grow again in the next 60 - 120 years
The ozone layer is depleting day by day. It is because of the CFC's used by man.
Ozone layer is formed of ozone. It is a gas.
Ozone can be rectifies. If ODS are stopped being used, the ozone will replenish itself.
Earth has a layer of ozone. It is present as the ozone layer.
damage to ozone layer is called ozone depletion. It is thinning of ozone layer.