Question

When we exhale or breathe out, percentage of a certain gas becomes higher. Name the gas.

Answer 1

Answer:

When we exhale, the composition of the air remains almost the same as the air we inhale, only the percentage of carbon dioxide and oxygen changes. 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.

Answer 2

Answer:

oxygen and carbon dioxide

Explanation:

When we breathe we intake oxygen in more amount

and when we exhale we exhale carbon dioxide in more amounts

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