Post Utme Igbinedion University 2023 Geography Question 4
Practice objective / multiple choice question 4 from the 2023 Post Utme Igbinedion University Geography examination.
The Earth's atmosphere is composed of approximately 78% nitrogen, 21% oxygen, and 1% other gases. What is the percentage of oxygen in the atmosphere?
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This is Post Utme Igbinedion University 2023 Geography Question 4. It is one of the objective questions from the 2023 Post Utme Igbinedion University Geography examination.
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