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Class 10
Chapter 15 Class 10 - Our Environment (Term 2)

What is ozone and how does it affect any ecosystem?



Ozone is a gas composed of three atoms of oxygen.

Its molecular formula is O 3 .

It is formed due to the action of ultraviolet rays of the sun on the oxygen.

Ozone is a harmful gas and is present high up in the atmosphere.


Ozone is an important gas for all kinds of ecosystems on earth as it protects the earth from the harmful ultraviolet rays of the sun which can lead to skin cancer, cataracts and other various damages.

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo