Question

The percentage of oxygen to carbon dioxide in inhale air is

O 21: 0.04
O 15: 13.5
O 16.4: 4.4
O 15.8: 6.9​

Answer 1

Answer:

The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide, while the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide.

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The final answer is 21 : 0.04

Answer 2

• The percentage of oxygen to carbon dioxide in inhale air is 21 : 0.04.