CBSE Class 6 Answered
How is oxygen refilled in the atmosphere?
Asked by Topperlearning User | 06 Feb, 2018, 01:52: PM
Expert Answer
The oxygen of air consumed by human beings and animals in respiration and in burning of fuels is constantly replaced by plants through the process of photosynthesis.
Answered by | 06 Feb, 2018, 03:52: PM
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Importance of Oxygen
This video describes the importance of oxygen for living beings.
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