How many atoms are in 38 grams of oxygen Please help me out I'm trying to raise my chemistry grade its about to be a C​

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

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

Organisms are classified as producer or consumers according to the way they ?