Post Utme Mountain Top University 2022 Geography Question 15
Practice objective / multiple choice question 15 from the 2022 Post Utme Mountain Top University Geography examination.
The Earth's atmosphere is composed of 78% nitrogen, 21% oxygen, and 1% other gases. What is the percentage of oxygen in the atmosphere?
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About This Question
This is Post Utme Mountain Top University 2022 Geography Question 15. It is one of the objective questions from the 2022 Post Utme Mountain Top University Geography examination.
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