Answer:
Option A - It increases the amount of ammonia produced per unit time
Step-by-step explanation:
Haber process is used to mixed nitrogen with hydrogen derived from methane to obtained ammonia. This conversion is reversible and given as
N_2 + 3H_2 ⇄ 2NH_3
the catalyst used in this process is potassium hydroxide which the main function is to increase the efficiency of the reaction. catalyst main function is to speedup the reaction.