science
Grade-5
Easy
Question
Arrange the following gases from highest to lowest according to their composition in the air: Oxygen, carbon dioxide, nitrogen
- Nitrogen-oxygen-carbon dioxide
- Nitrogen-carbon dioxide-oxygen
- Oxygen-carbon dioxide-nitrogen
- Carbon dioxide-oxygen-nitrogen
Hint:
Air is made up of 78.09% nitrogen, 20.95% oxygen , and 0.04% carbon dioxide.
The correct answer is: Nitrogen-oxygen-carbon dioxide
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