The two most common factors that influence enzymatic activity are

There are two most common factors Effect of pH The enzymes act within narrow limits of the optimal pH of the reaction Temperature Because the rate of enzymatic reactions increases, and usually with temperature, and within the range in which the enzyme is stable and active.

Ithink it’s c or b for the answer.

B] nitrogen fixationmight be wrong, so correct me.want extra on your answers? just go on my account and go on questions and answer, or ask in the comments!