Oxygen in the atmosphere is used up by three process,namely combustion, respiration, formation of oxides of nitrogen.
So how the oxides of nitrogen convert into elemental oxygen in oxygen-cycle.
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Oxygen combines with nitrogen compounds to form nitrates and with various metals form oxides. Oxygen from the atmosphere is used up in three processes, namely combustion, respiration and in the formation of oxides. Photosynthesis is the only process by which oxygen is returned to the atmosphere.
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anjalikumari5th:
But in photosynthesis only CO2 and H2O are used not oxide
Pls edit it explain my doubt
sorry but can't get your doubt. please clarify
As photosynthesis is the process by which oxygen returned to atmosphere but In photosynthesis only water(H2O) and carbon dioxide(CO2) is used. So how photosynthesis responsible for converting oxides to elemental oxygen.
i didn't get the answer in books. so jump to following link http://www.biologydiscussion.com/nature/the-nitrogen-and-the-oxygen-cycle-with-diagram/25083
Ok.... I got my answers... Thanks
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