Home > Uncategorized > If CO2 is so heavy, why doesn’t it sink and suffocate us?

If CO2 is so heavy, why doesn’t it sink and suffocate us?

The question in the title was inspired by a comment on a site I visit a lot, one to which I’ve posted a lot in nigh on three years. More about that later. Suffice it to say that I shall reply to here, rather than there, and attempt to place a link on the other site. There will be no more posting to that site until such time as its moderation policies are given a thorough overhaul! Nuff said for now…

The question was essentially this: given that we all know that petrol fumes sink to the ground at a filling station, why doesn’t CO2 – which we also know is denser than air – also settle at ground level? Why are we not suffocated by the stuff – or does it only come up to ankle or knee level?

Continue reading at: Science Buzz

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Categories: Uncategorized
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