It is a Physical property because like water it changes into a ice cube but it can be melted into water or be turned back into an ice cube.
Because they both have to do with and chemistry science
Answer:
Ozone is good in the stratosphere because it absorbs all of the most energetic ultraviolet radiation (UV-C), most of the UV-B radiation and some of the least energetic UV radiation (UV-A). Ozone is “bad” in the troposphere because it is harmful to breathe and is the primary component of smog in summer.