Water vapor is not toxic, although it is a greenhouse gas.
H2O (Water vapor) CFC (ChloroFluoroCarbon) HCFC (HydroChloroFluoroCarbon)
Because the water cycle contains water vapor and it is the most important gas in it.
This is an interesting question that gets deeper then you may wish to go. A shuttle launch will release water vapor, which is a greenhouse gas. It is the most common of greenhouse gases. Water vapor is ignored though in terms of man contribution to greenhouse gas because it dissipates quickly and mans contribution to this gas is insignificant. The water vapor produced in a launch remains in the atmosphere for a few hours. Much of the raw material used to create this water vapor also comes from the atmosphere to start with. Man produces almost 0.3% of all greenhouse gases, virtually none of this amount though is from the space program.
carbon dioxide
Water (vapor).
Water vapor is not toxic, although it is a greenhouse gas.
Water vapor is a greenhouse gas that contains only hydrogen and oxygen.
water vapor
Water vapor in the air is water in the form of a gas.
gas
Water vapor is a greenhouse gas in the atmosphere that is not increasing as a result of human activity, or any other reason.
no, dihydrogen (H2) is not however dihydrogen monoxide is (H2O), Water vapor is the premiere greenhouse gas, it comprises over half of all the greenhouse gas found on our planet.
water vapor
water vapor
That would be water vapor.
neither. The strongest ones are:MethaneCarbon Dioxide