Quote:
Originally Posted by twindman
You sneaky guy!!  |
Air is the Earth's atmosphere. Air around us is a mixture of many gases and dust particles. ... Air is a mixture of about 78% of nitrogen, 21% of oxygen, 0.9% of argon, 0.04% of carbon dioxide, and very small amounts of other gases. There is an average of about 1% water vapour.
How much do you pay for that?
