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A piece of steel wool (Fe*2) is placed in a solution of copper (II) sulfate.

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

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Will mark brainliest how many electrons can be held in the energy level n = 4?