Interesting Fact of the Day ---- Air is mostly Nitrogen, not Oxygen by pengu

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science · @pengu · Jun 27 '17

$0.03

Interesting Fact of the Day ---- Air is mostly Nitrogen, not Oxygen

The amount of **Oxygen in the air we breath is only about 20%**. The rest is about **78% Nitrogen** and a combination of other gases such as Carbon Dioxide. 

![](https://steemitimages.com/DQmeFxxXywBJjGPgTM9QETH2yTTc3ecfzASbx2oQ4PFpzdY/image.png)

What might also be surprising is we only use about 5% of this Oxygen that we inhale and the 15% is exhale back into the air. Keep in mind this is for a body at rest. Of course, if a person is exercising, they would require more oxygen to function.

Hope this was a short and interesting read for you guys!

Please remember to follow and upvote if you found this at all a bit interesting.

👍 bvu, dimidrolshina

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@duckmast3r · Jun 27 '17

Very interesting.  Thanks for sharing.

👍 pengu

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@mohsan0073 · Jun 27 '17 (edited)

if there is more oxygen than nitrogen the earth would have been burned in just a single flame.

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@pengu · Jun 27 '17

$0.03

very true

👍 bvu

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