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What are the percentages of nitrogen, oxygen, argon and carbon dioxide in atmosphere?(a) 78%, 21%, 0.9%, 0.03%(b) 75%, 24%, 0.7%, 0.03%(c) 71%, 28%, 0.9%, 0.04%(d) 75%, 24%, 0.9%, 0.05%This question was addressed to me during an interview.Question is from Characteristics of Atmosphere in portion Atmosphere and Air Data Measurement of Aircraft Performance

Answer»

Right choice is (a) 78%, 21%, 0.9%, 0.03%

The best I can EXPLAIN: The percentages of NITROGEN, oxygen, argon and CARBON dioxide in atmosphere are 78%, 21%, 0.9%, 0.03%. The atmosphere also consists of other INERT gases, dust PARTICLES, water vapor and moisture in minute quantities.



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