The most important greenhouse gas is
A) carbon dioxide.
B) methane.
C) chlorofluorocarbons .
D) sulfur dioxide.
E) water vapor.
Question 2
Evaporation of water
A) requires a lot of energy, since the latent heat of evaporation is high.
B) decreases with increasing wind speed.
C) is fastest over cold surfaces.
D) increases as the relative humidity increases.
E) increases when the atmospheric pressure is high.