PLEASE HELP)) 2. (04.01 LC)
Fill in the blank with the correct number to balance the equation: 4A1 + 02 - 241203. (Enter only a whole number.) (3 points)

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

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