From: "Geo." 

"John Beckett"  wrote in message
news:g06u23tp8ccbq91ci9rqj97hfcirs977pg{at}4ax.com...

> One molecule of CO2 in a room!? ONE!?
>
> The number of molecules of CO2 in a small room is:
>  300 thousand million million million

I know (I was working with a lot of thoughts at once) but I'm trying to
make a point, your number seems like a lot but it's not. Take your numbers
and work it the other way, if there is only one molecule of CO2 in the
room, how many molecules of air are there.

(the answer is around 3000)

Now picture have 3000 clear marbles on the floor with one slightly smokey
one, how much cooler is that floor going to be when the sun shines on it
than if that one smokey marble was also clear? Could you even measure the
difference?

Geo.

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