单选题The worst atmospheric condition for dispersion of H2S is（）.Aheavy rainBgusty winds with rainCnearly calm，clear nights or early morningDfull sun with high winds
单选题
The worst atmospheric condition for dispersion of H2S is（）.
A
heavy rain
B
gusty winds with rain
C
nearly calm，clear nights or early morning
D
full sun with high winds
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