Biology, asked by vahini1234567890, 5 hours ago

Which of the following gas’s percentage doesn’t change in inhaled and exhaled

air? [ ]

A) CO2 B) O2 C) N2 D) CO

Answers

Answered by ay3633978

1

Option (C) N2, that is, Nitrogen gas's percentage do not change while inhaled or exhaled. It remains same.

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