A. it is a practical source of energy on earth
b. it occurs only outside the solar system
c. it’s product is heavier than each of its reactants
d. it shows the critical mass of an element

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