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What Is O2
What is the meaning of [O2]o and [O2]source ? | ResearchGate
![What is the meaning of [O2]o and [O2]source ? | ResearchGate](https://www.researchgate.net/profile/Mohammed-Abdul-Subhan/post/What_is_the_meaning_of_O2o_and_O2source/attachment/62b44778935b37798d076892/AS:1170087235067907%401655981944827/download/1655981649635.jpg)