Yes, the ozone layer is made up of ozone gas. It is present in the stratospheric region of the atmosphere.
The ozone is made up of oxygen gas. 3 single atoms of oxygen form ozone.
Ozone layer is formed of ozone. It is a gas.
The ozone layer is made up of ozone gas. It is a three atomic form of oxygen atom.
Stratosphere contains the ozone gas. It is present as the ozone layer.
Ozone. Which is entirely made up of oxygen atoms.Ozone gas from an ozone generator is usually mostly parent gas, with some percentage of ozone gas in it (replacing mass-per-mass, oxygen gas).
Ozone gas forms a strong layer. It is present as the ozone layer.
Ozone layer contains a fraction of mass. It is made up of ozone gas.
Ozone layer is a layer having only one layer of gas. That layer of gas is ozone layer.
CFCs
There are no layers in the ozone layer. It is a single layer of pool of ozone gas.
See "What is causing the depletion of the ozone layer?"
The upper layer of the atmosphere is formed by ozone layer. This is a layer of ozone gas.