wls@astrovax.UUCP (William L. Sebok) (04/02/85)
> Then, too can you imagine the effect if thousands of cars were > pouring water vapor out their tailpipes on a hot, humid day? > Michael Ward, NCAR/SCD They are: water vapor plus carbon dioxide (plus traces of more noxious things like NO, NO2, CO, unburnt hydrocarbons, etc.). -- Bill Sebok Princeton University, Astrophysics {allegra,akgua,burl,cbosgd,decvax,ihnp4,noao,princeton,vax135}!astrovax!wls