Replying to @auntyproton
@auntyproton H2O from humidity does not add to, but **displaces** dry air, making it lighter.
5:58 AM - 17 Aug 2010
0 replies
0 retweets
1 like
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.