Identical forces act for the same length of time on two different masses. the change in momentum of the smaller mass is

a) smaller than the change in momentum of the larger mass, but not zero.
b) zero.
c) equal to the change in momentum of the larger mass.
d) larger than the change in momentum of the larger mass.

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