Scientist 2 explains that ice sublimes to water vapor and enters Europa&39;s atmosphere. If ultraviolet light then broke those water vapor molecules apart, which of the following gases would one most likely expect to find in Europa&39;s atmosphere as a result of this process?
A.Nitrogen B.Methane B.Chlorine D.Oxygen
【参考答案】
D Water vapor molecules are composed of hydrogen and oxy......