Answer:
the 2nd one
Explanation:
All other symbols are for Mathematics.
Answer:
difficult to answer, need a bit more detail
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.
