Yes, it is. Chlorine reacts with ozone in the form of CFC's.
Yes It does it has 1
Chlorine gas was used to drive enemy men out of their trenches in order to make it easier to take the enemy trenches. Even now, it is used to soften up enemy positions.
Used to "GAS" the enemy
Ozone is not an element. It is an allotrope of oxygen.
There is no such plural
CFC's have destroyed the ozone. They react with ozone to deplete it.
No. CFC's are chlorofluorocarbons and cause damage to ozone (O3).
The earth has only one ozone layer. It is present in the stratosphere.
The ozone hole is located over Antarctica. It is quite big in size.
It was used as a weapon during WW1. The gas was packed into artillery shells and shot into the enemy trenches.
chlorine and phosgene which attacked the lungsmustard gas attacked the skin
White Star was a poison gas combination of phosgene and chlorine that the Allies deployed. Phosgene was the more poisonous agent, and chlorine was used to disperse the gas on enemy trenches.