CBSE Class 9 Answered
What are the two forms of oxygen found in the atmosphere? What is their importance?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The two forms of oxygen found in the atmosphere are diatomic oxygen (O2) and ozone (O3).
Oxygen is necessary for respiration and combustion.
Ozone absorbs harmful ultraviolet radiations from the sun and prevents them from reaching surface of the Earth.
Answered by | 04 Jun, 2014, 03:23: PM
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