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| 1. |
The major constituent of air is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/nitrogen-1118291" style="font-weight:bold;" target="_blank" title="Click to know more about NITROGEN">NITROGEN</a></p><br/><br/><p>Below a height of about 86 kilometers, the three main gaseous elements, which together account for about 99.9% of the total atmosphere, <a href="https://interviewquestions.tuteehub.com/tag/exist-979486" style="font-weight:bold;" target="_blank" title="Click to know more about EXIST">EXIST</a> in essentially constant proportion to the total: nitrogen <a href="https://interviewquestions.tuteehub.com/tag/comprises-927304" style="font-weight:bold;" target="_blank" title="Click to know more about COMPRISES">COMPRISES</a> 78% of air by volume, <a href="https://interviewquestions.tuteehub.com/tag/oxygen-1144542" style="font-weight:bold;" target="_blank" title="Click to know more about OXYGEN">OXYGEN</a> comprises 21% of air by volume, and argon comprises <a href="https://interviewquestions.tuteehub.com/tag/another-876628" style="font-weight:bold;" target="_blank" title="Click to know more about ANOTHER">ANOTHER</a> 0.9%.</p></body></html> | |