Question

Which of these components of air are higher in concentration when we inhale compared to when
we exhale?
(a) Oxygen
(b) Carbon dioxide
(c) Water vapour
(d) Dust​

Answer 1

Answer:

Oxygen

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EXPLANATION

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:

Here is your answer friend

a)Oxygen

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