【Daily Question】 December 9th True or False Question
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This post was last edited by Guan Gongyu on 2015-12-13 at 20:39 – an active member of the Petrochemical section! ” One daily activity question (true or false): The amount of nitrogen in the atmosphere is less than that of oxygen ( ). The hidden content of this post is incorrect. Please participate actively to win prizes. +10 points for correct answers, +5 points for participation. One time per person only. Close this topic after seven days.
This post was last edited by chuanhengmpq on 2015-12-9 10:48. There is less nitrogen than oxygen in the atmosphere (X). The oxygen content in the air is 21%, while nitrogen accounts for 78%
Nitrogen makes up about 78% (by volume) of the atmosphere, while oxygen accounts for about 21% (by volume); therefore, this answer is correct
The nitrogen content in the lower atmosphere is less than that of oxygen (False)
Nitrogen makes up a smaller proportion in the lower atmosphere than oxygen (x).