Post Utme Abu 2017 Geography Question 29
Practice objective / multiple choice question 29 from the 2017 Post Utme Abu Geography examination.
The Earth's atmosphere is composed of 78% nitrogen, 21% oxygen, and 1% other gases. If a sample of air contains 0.5g of nitrogen, what is the total weight of the sample?
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About This Question
This is Post Utme Abu 2017 Geography Question 29. It is one of the objective questions from the 2017 Post Utme Abu Geography examination.
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