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Home > Exam Questions > Exam BPL Gas - Balloon Pilot License > Meteorology > What is the gas composition of "air"?

214 - Gas Balloon Pilot Exam BPL - What is the gas composition of "air"?

Question 214 - Meteorology - Exam BPL Gas - Balloon Pilot License

Oxygen 78 % Water vapour 21 % Nitrogen 1 %

Oxygen 21 % Water vapour 78 % Noble gases / carbon dioxide 1 %

Nitrogen 21 % Oxygen 78 % Noble gases / carbon dioxide 1 %

Oxygen 21 % Nitrogen 78 % Noble gases / carbon dioxide 1 %

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