Air is the name given to atmosphere used in breathing and photosynthesis. Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1%. While air content and atmospheric pressure varies at different layers, air suitable for the survival of terrestrial plants and terrestrial animals is currently only known to be found in Earth's troposphere and artificial atmospheres.wiki
Thank God for air, thank God for fresh air, thank God that we can breathe long and deep, thank God it is free-no charge and given to all rich and poor, animal and plant.Thank God we have the organs to deal with it-the lungs, the red blood cells. the muscles. What a wonderful body we have .How great is the God we live under.
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