Consider the reaction below. Which change would result in an increase in the formation of more H₂S?
NH₄HS(s)+ energy ⇋NH₃(g)+H₂S(g)
A) A decrease in the volume of the reaction vessel (at constant temperature).
B) An increase in the amount of NH₄HS(s) in the reaction vessel.
C) An increase in temperature.
D) All of the above.