Which of the following best explain what we think happened to outgassed water vapor on Venus?
A. Ultraviolet light split the water molecules, and the hydrogen then escaped to space.
B. Water was removed from the atmosphere by chemical reactions with surface rock.
C. It is frozen as water ice in craters near the poles.
D. It turned into carbon dioxide by reacting with nitrogen in Venus's atmosphere.
Answer:A
Which of the following best explain what we think happened to outgassed water vapor on Venus?
A. Ultraviolet light split the water molecules, and the hydrogen then escaped to space. B. Water was removed from the atmosphere by chemical reactions with surface rock. C. It is frozen as water ice in craters near the poles. D. It turned into carbon dioxide by reacting with nitrogen in Venus's atmosphere.