Month: April 2020

Percentage of oxygen in air | oxygen at high altitudes | Oxygen vs Ozone

Percentage of oxygen in air

The percentage of oxygen in air is 20.95%. Nitrogen is the most prevalent gas and forms 78.08% of the atmosphere. Rest is other gases mainly Argon (0.9340%) and Carbon dioxide (0.0410%). Oxygen at high altitudes As we gain elevation, the percentage of oxygen in the air does not decrease. Rather the atmospheric pressure decreases, meaning …

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