On Wed, 1 Nov 1995, Will Zehring wrote:
>
> In a word: Humidity. All of you must remember from your high school
> meterology class (not to be confused with your meteorology class) that humid
> air is heavy air and therefore it sinks to the floor. Now, most of us have
In fact, Will, you have mis-remembered! Humid air is LESS dense than dry
air, which is why the barometric pressure falls with approaching rain.
The molar mass of water is 18, compared to 28 for nitrogen and
32 for oxygen.
Len Bugel - Just bought a '50 TD
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