Post Utme Bsu 2021 Geography Question 39
Practice objective / multiple choice question 39 from the 2021 Post Utme Bsu Geography examination.
The Earth's atmosphere is composed of 78% nitrogen, 21% oxygen, and 1% other gases. If a sample of air weighs 100 grams, what is the weight of the oxygen component?
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About This Question
This is Post Utme Bsu 2021 Geography Question 39. It is one of the objective questions from the 2021 Post Utme Bsu Geography examination.
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