could increasing the concentration or amount of pepsin in the solution increase the rate of digestion of proteins?

Idon’t know how to solve this question

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.