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radeprut9Популяризация темы от Клауса Кайзера:
http://canadafreepress.com/article/75116
How much CO2 is in the Air?
On a percentage basis, there is approximately 0.04% (or 400 ppm [parts per million]) CO2 in the air; (all numbers here are rounded to the nearest integer, just to keep things simple and not to get lost in small numerical details). Well, 0.04% does not sound like much, but when you consider the entire atmosphere, it’s a lot of tiny carbon dioxide molecules. Just to give you an idea as to how many there are, we need to count all gas molecules in the air first.
http://canadafreepress.com/article/75116
