1. A tank contains Nitrogen, Hydrogen, and Oxygen The partial pressure of Nitrogen is 1.0 atm and Oxygen is 3.0 atm. The total pressure in the tank is 10.0 atm. What is the partial pressure of the Hydrogen?

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