There was none. There is no replacement for ozone.
Ozone layer is formed of ozone. It is a gas.
Stratosphere contains the ozone gas. It is present as the ozone layer.
Harmful UV rays were always there. But we were protected from them by ozone layer.
Ozone gas present in the stratospheric region of our atmosphere in the form of ozone layer is the one most prominent gas which is responsible for the absorption of the harmul UV radiations coming from the sun.
Ozone gas forms a strong layer. It is present as the ozone layer.
Ozone layer is a layer having only one layer of gas. That layer of gas is ozone layer.
There are no layers in the ozone layer. It is a single layer of pool of ozone gas.
Ozone is a layer which protects us. Actually ozone is just a gas, ozone layer is the layer.
The upper layer of the atmosphere is formed by ozone layer. This is a layer of ozone gas.
Ozone is the gas layer. It is present as the ozone layer.
Yes, the ozone layer is made up of ozone gas. It is present in the stratospheric region of the atmosphere.
The main gas present in ozone layer is ozone gas. It is present in the stratospheric region of atmosphere.