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← ScienceWhich consequence results when atmospheric methane undergoes photochemical reactions?
A)Stratospheric water vapor concentration increases✓
B)Tropospheric ozone production decreases
C)Hydroxyl radical concentration rapidly increases
D)Nitrous oxide production significantly declines
💡 Explanation
Increased stratospheric water occurs because methane oxidation yields water vapor through radical chain reactions in photolysis. This chain reaction involves homolytic cleavage, therefore additional water production, rather than decreased ozone.
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