Why doesn’t the level of oxygen in the atmosphere decreases’?


  1. Answer:

    Oxygen levels are decreasing globally due to fossil-fuel burning. The changesare too small to have an impact on human health, but are of interest to the study of climate change and carbon dioxide.


  2. Answer:

    The atmosphere is constant for many years does not decrease because the green plants which are capable of photosynthesis take up CO2 from the atmosphere and produce 0 2 in return

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