Write a short note on the composition of air.
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NITROGEN AND OXYGEN ARE THE TWO MAJOR CONSTITUENTS OF AIR. NITROGEN FORMS ABOUT 78 PERCENT AND OXYGEN FORMS ABOUT 21 PERCENT OF DRY AIR BY VOLUME. AIR ALSO CONTAINS CARBON DIOXIDE WHICH FORMS ABOUT 0.03 PERCENT OF THE VOLUME OF AIR. THE REMAINING PART OF AIR CONSISTS OF INERT GASES ,WATER VAPOUR AND DUST
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NITROGEN AND OXYGEN ARE THE TWO MAJOR CONSTITUENTS OF AIR. NITROGEN FORMS ABOUT 78 PERCENT AND OXYGEN FORMS ABOUT 21 PERCENT OF DRY AIR BY VOLUME. AIR ALSO CONTAINS CARBON DIOXIDE WHICH FORMS ABOUT 0.03 PERCENT OF THE VOLUME OF AIR. THE REMAINING PART OF AIR CONSISTS OF INERT GASES ,WATER VAPOUR AND DUST.
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