Answers

  • Brainly User
2015-06-02T20:16:44+05:30
Ozone is a layer around the earth which protects earth from harmful rays coming toward earth from sun. The molecular formula of ozone is O3. It contains 3 molecules of oxygen,
It protects our ecosystem from the harmful rays of sun.
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2015-06-02T20:22:04+05:30
Ozone is a layer which protects us from harmful ultraviolet  rays coming from the sun. it is very useful because it protects us from skin cancer.
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