There is no specific sign. The ozone is denoted by O3.
The physical sign of ozone depletion is the foul smell. It is light blue in color.
Yes, ozone layer gets colder as you move forward. This is the sign of ozone layer in atmosphere.
Some countries did not sign of this Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion. Because they are not aware in the environmental issues that affects also in their own countries.
No. The ozone is stratosphere is good ozone. The ozone in troposphere is bad ozone.
The tropospheric ozone is bad ozone. It acts as a pollutant.
You are thinking of ozone.
Most of the ozone is found there. The ozone present there is good ozone.
Stratosphere ozone is good ozone. Photo chemical ozone is pollutant.
The ozone depleting substances are interfering with ozone. They destroy the ozone.
Ozone layer is formed of ozone. It is a gas.
Stratospheric ozone forms the ozone layer. Destroying it is ozone depletion.
The changes in ozone layer is the ozone hole. It is the thinning of ozone layer.