On the average a fart is composed of about 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane, and 4% oxygen. Less than 1% is what makes them stink.

On the average a fart is composed of about 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane, and 4% oxygen. Less than 1% is what makes them stink. is a Fart Fact in the Fart Facts category.

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Tags: Fart, Farts, Gas, Passing Wind, Flatulence

Fact Comments

654 days ago

Anonymous

so that means the rest is a lot more because farts stink espacially mens farts. no offense

595 days ago

Mr.smart

Whoa, powerful stuff

509 days ago

Anonymous

its 3% of oxygen actually.. =D

492 days ago

Anonymous

So it's ok to fart?

428 days ago

Anonymous

if you didn't fart, you would fill with methane and be poisoned by it, be more likely to get diseases, have cramps and pains, and after enough time, die. and to the first person who commented, i AM offended.

327 days ago

Sami

Damn we are killing the atmosphere lol.

190 days ago

LOL

harness the power of stink and we will win wars

141 days ago

Anonymouse

Sulphur, missed one

12 days ago

rob

imagine if they were composed of 10% of what makes them stink

On the average a fart is composed of about 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane, and 4% oxygen. Less than 1% is what makes them stink.

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