What is the importance of the O2 on human welfare?
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Answer:
O2 means oxygen supports life on earth which human inhale to survive. If it is not exist then human life will not survive on earth.Hope it helps you......plz mark as brainleist
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Answer:
) Humans Breathe Oxygen
Explanation:
2 Oxygen for Transportation
3 Medical Uses of Oxygen
4 Oxygen Helps Clean Waste Water
5 Oxygen as Recreation
6 Oxygen Can Give Scientists a Glimpse Into the Past.
7 Oxygen Is Cool
8Oxygen as an Ecological Indicator
9 Industrial Uses of Oxygen
I hope it will help you
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